Home / 742,581.96-1,024,781.67-403,049.40

Finding the Fourth Proportional to 742,581.96, 1,024,781.67 and 403,049.40

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Solution

The fourth proportional to 742,581.96, 1,024,781.67 and 403,049.40 is: 556,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,581.96 : 1,024,781.67 = 403,049.40 : x
  2. Step 2: Convert to fraction form
    742,581.96/1,024,781.67 = 403,049.40/x
  3. Step 3: Cross multiply
    742,581.96x = 1,024,781.67 × 403,049.40
  4. Step 4: Simplify right side
    742,581.96x = 413,037,637,224.50
  5. Step 5: Solve for x
    x = 413,037,637,224.50/742,581.96
  6. Step 6: Final answer
    x = 556,218.25

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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.