Home / 724,950.29-1,000,403.55-402,680.94

Finding the Fourth Proportional to 724,950.29, 1,000,403.55 and 402,680.94

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Solution

The fourth proportional to 724,950.29, 1,000,403.55 and 402,680.94 is: 555,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,950.29 : 1,000,403.55 = 402,680.94 : x
  2. Step 2: Convert to fraction form
    724,950.29/1,000,403.55 = 402,680.94/x
  3. Step 3: Cross multiply
    724,950.29x = 1,000,403.55 × 402,680.94
  4. Step 4: Simplify right side
    724,950.29x = 402,843,441,893.34
  5. Step 5: Solve for x
    x = 402,843,441,893.34/724,950.29
  6. Step 6: Final answer
    x = 555,684.23

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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.