Home / 724,746.03-1,000,175.28-402,461.61

Finding the Fourth Proportional to 724,746.03, 1,000,175.28 and 402,461.61

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Solution

The fourth proportional to 724,746.03, 1,000,175.28 and 402,461.61 is: 555,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,746.03 : 1,000,175.28 = 402,461.61 : x
  2. Step 2: Convert to fraction form
    724,746.03/1,000,175.28 = 402,461.61/x
  3. Step 3: Cross multiply
    724,746.03x = 1,000,175.28 × 402,461.61
  4. Step 4: Simplify right side
    724,746.03x = 402,532,153,471.00
  5. Step 5: Solve for x
    x = 402,532,153,471.00/724,746.03
  6. Step 6: Final answer
    x = 555,411.33

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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.