Home / 717,870.60-1,076,805.90-437,934.60

Finding the Fourth Proportional to 717,870.60, 1,076,805.90 and 437,934.60

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Solution

The fourth proportional to 717,870.60, 1,076,805.90 and 437,934.60 is: 656,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,870.60 : 1,076,805.90 = 437,934.60 : x
  2. Step 2: Convert to fraction form
    717,870.60/1,076,805.90 = 437,934.60/x
  3. Step 3: Cross multiply
    717,870.60x = 1,076,805.90 × 437,934.60
  4. Step 4: Simplify right side
    717,870.60x = 471,570,561,094.14
  5. Step 5: Solve for x
    x = 471,570,561,094.14/717,870.60
  6. Step 6: Final answer
    x = 656,901.90

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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.