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Finding the Fourth Proportional to 660,284.91, 912,047.91 and 546,025.08

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Solution

The fourth proportional to 660,284.91, 912,047.91 and 546,025.08 is: 754,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,284.91 : 912,047.91 = 546,025.08 : x
  2. Step 2: Convert to fraction form
    660,284.91/912,047.91 = 546,025.08/x
  3. Step 3: Cross multiply
    660,284.91x = 912,047.91 × 546,025.08
  4. Step 4: Simplify right side
    660,284.91x = 498,001,033,021.58
  5. Step 5: Solve for x
    x = 498,001,033,021.58/660,284.91
  6. Step 6: Final answer
    x = 754,221.44

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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.