Home / 717,807.60-1,076,711.40-651,377.48

Finding the Fourth Proportional to 717,807.60, 1,076,711.40 and 651,377.48

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Solution

The fourth proportional to 717,807.60, 1,076,711.40 and 651,377.48 is: 977,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,807.60 : 1,076,711.40 = 651,377.48 : x
  2. Step 2: Convert to fraction form
    717,807.60/1,076,711.40 = 651,377.48/x
  3. Step 3: Cross multiply
    717,807.60x = 1,076,711.40 × 651,377.48
  4. Step 4: Simplify right side
    717,807.60x = 701,345,553,035.72
  5. Step 5: Solve for x
    x = 701,345,553,035.72/717,807.60
  6. Step 6: Final answer
    x = 977,066.21

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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.