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Finding the Fourth Proportional to 768,101.12, 1,060,169.28 and 466,547.84

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Solution

The fourth proportional to 768,101.12, 1,060,169.28 and 466,547.84 is: 643,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,101.12 : 1,060,169.28 = 466,547.84 : x
  2. Step 2: Convert to fraction form
    768,101.12/1,060,169.28 = 466,547.84/x
  3. Step 3: Cross multiply
    768,101.12x = 1,060,169.28 × 466,547.84
  4. Step 4: Simplify right side
    768,101.12x = 494,619,687,618.36
  5. Step 5: Solve for x
    x = 494,619,687,618.36/768,101.12
  6. Step 6: Final answer
    x = 643,951.26

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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.