Home / 690,073.61-952,291.31-384,149.43

Finding the Fourth Proportional to 690,073.61, 952,291.31 and 384,149.43

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Solution

The fourth proportional to 690,073.61, 952,291.31 and 384,149.43 is: 530,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,073.61 : 952,291.31 = 384,149.43 : x
  2. Step 2: Convert to fraction form
    690,073.61/952,291.31 = 384,149.43/x
  3. Step 3: Cross multiply
    690,073.61x = 952,291.31 × 384,149.43
  4. Step 4: Simplify right side
    690,073.61x = 365,822,162,009.71
  5. Step 5: Solve for x
    x = 365,822,162,009.71/690,073.61
  6. Step 6: Final answer
    x = 530,120.50

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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.