Home / 714,088.70-985,442.33-408,171.62

Finding the Fourth Proportional to 714,088.70, 985,442.33 and 408,171.62

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Solution

The fourth proportional to 714,088.70, 985,442.33 and 408,171.62 is: 563,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,088.70 : 985,442.33 = 408,171.62 : x
  2. Step 2: Convert to fraction form
    714,088.70/985,442.33 = 408,171.62/x
  3. Step 3: Cross multiply
    714,088.70x = 985,442.33 × 408,171.62
  4. Step 4: Simplify right side
    714,088.70x = 402,229,590,211.82
  5. Step 5: Solve for x
    x = 402,229,590,211.82/714,088.70
  6. Step 6: Final answer
    x = 563,276.79

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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.