Home / 747,195.84-1,031,133.60-407,671.20

Finding the Fourth Proportional to 747,195.84, 1,031,133.60 and 407,671.20

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Solution

The fourth proportional to 747,195.84, 1,031,133.60 and 407,671.20 is: 562,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,195.84 : 1,031,133.60 = 407,671.20 : x
  2. Step 2: Convert to fraction form
    747,195.84/1,031,133.60 = 407,671.20/x
  3. Step 3: Cross multiply
    747,195.84x = 1,031,133.60 × 407,671.20
  4. Step 4: Simplify right side
    747,195.84x = 420,363,472,072.32
  5. Step 5: Solve for x
    x = 420,363,472,072.32/747,195.84
  6. Step 6: Final answer
    x = 562,588.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.