Home / 424,931.79-585,140.31-415,501.77

Finding the Fourth Proportional to 424,931.79, 585,140.31 and 415,501.77

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Solution

The fourth proportional to 424,931.79, 585,140.31 and 415,501.77 is: 572,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,931.79 : 585,140.31 = 415,501.77 : x
  2. Step 2: Convert to fraction form
    424,931.79/585,140.31 = 415,501.77/x
  3. Step 3: Cross multiply
    424,931.79x = 585,140.31 × 415,501.77
  4. Step 4: Simplify right side
    424,931.79x = 243,126,834,503.35
  5. Step 5: Solve for x
    x = 243,126,834,503.35/424,931.79
  6. Step 6: Final answer
    x = 572,154.97

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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.