Home / 530,677.98-732,335.12-288,962.29

Finding the Fourth Proportional to 530,677.98, 732,335.12 and 288,962.29

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Solution

The fourth proportional to 530,677.98, 732,335.12 and 288,962.29 is: 398,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,677.98 : 732,335.12 = 288,962.29 : x
  2. Step 2: Convert to fraction form
    530,677.98/732,335.12 = 288,962.29/x
  3. Step 3: Cross multiply
    530,677.98x = 732,335.12 × 288,962.29
  4. Step 4: Simplify right side
    530,677.98x = 211,617,231,382.87
  5. Step 5: Solve for x
    x = 211,617,231,382.87/530,677.98
  6. Step 6: Final answer
    x = 398,767.69

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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.