Home / 724,826.43-1,000,233.05-402,557.28

Finding the Fourth Proportional to 724,826.43, 1,000,233.05 and 402,557.28

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Solution

The fourth proportional to 724,826.43, 1,000,233.05 and 402,557.28 is: 555,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,826.43 : 1,000,233.05 = 402,557.28 : x
  2. Step 2: Convert to fraction form
    724,826.43/1,000,233.05 = 402,557.28/x
  3. Step 3: Cross multiply
    724,826.43x = 1,000,233.05 × 402,557.28
  4. Step 4: Simplify right side
    724,826.43x = 402,651,093,961.32
  5. Step 5: Solve for x
    x = 402,651,093,961.32/724,826.43
  6. Step 6: Final answer
    x = 555,513.81

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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.