Home / 698,644.17-1,047,700.27-458,693.92

Finding the Fourth Proportional to 698,644.17, 1,047,700.27 and 458,693.92

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Solution

The fourth proportional to 698,644.17, 1,047,700.27 and 458,693.92 is: 687,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,644.17 : 1,047,700.27 = 458,693.92 : x
  2. Step 2: Convert to fraction form
    698,644.17/1,047,700.27 = 458,693.92/x
  3. Step 3: Cross multiply
    698,644.17x = 1,047,700.27 × 458,693.92
  4. Step 4: Simplify right side
    698,644.17x = 480,573,745,714.35
  5. Step 5: Solve for x
    x = 480,573,745,714.35/698,644.17
  6. Step 6: Final answer
    x = 687,866.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.