Home / 987,040.49-1,480,560.73-355,954.30

Finding the Fourth Proportional to 987,040.49, 1,480,560.73 and 355,954.30

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Solution

The fourth proportional to 987,040.49, 1,480,560.73 and 355,954.30 is: 533,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,040.49 : 1,480,560.73 = 355,954.30 : x
  2. Step 2: Convert to fraction form
    987,040.49/1,480,560.73 = 355,954.30/x
  3. Step 3: Cross multiply
    987,040.49x = 1,480,560.73 × 355,954.30
  4. Step 4: Simplify right side
    987,040.49x = 527,011,953,663.35
  5. Step 5: Solve for x
    x = 527,011,953,663.35/987,040.49
  6. Step 6: Final answer
    x = 533,931.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.