Home / 1,018,342.50-1,527,513.75-353,494.50

Finding the Fourth Proportional to 1,018,342.50, 1,527,513.75 and 353,494.50

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Solution

The fourth proportional to 1,018,342.50, 1,527,513.75 and 353,494.50 is: 530,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,342.50 : 1,527,513.75 = 353,494.50 : x
  2. Step 2: Convert to fraction form
    1,018,342.50/1,527,513.75 = 353,494.50/x
  3. Step 3: Cross multiply
    1,018,342.50x = 1,527,513.75 × 353,494.50
  4. Step 4: Simplify right side
    1,018,342.50x = 539,967,709,299.38
  5. Step 5: Solve for x
    x = 539,967,709,299.38/1,018,342.50
  6. Step 6: Final answer
    x = 530,241.75

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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.