Home / 724,623.35-999,961.17-402,325.16

Finding the Fourth Proportional to 724,623.35, 999,961.17 and 402,325.16

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Solution

The fourth proportional to 724,623.35, 999,961.17 and 402,325.16 is: 555,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,623.35 : 999,961.17 = 402,325.16 : x
  2. Step 2: Convert to fraction form
    724,623.35/999,961.17 = 402,325.16/x
  3. Step 3: Cross multiply
    724,623.35x = 999,961.17 × 402,325.16
  4. Step 4: Simplify right side
    724,623.35x = 402,309,532,714.23
  5. Step 5: Solve for x
    x = 402,309,532,714.23/724,623.35
  6. Step 6: Final answer
    x = 555,198.14

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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.