Home / 917,496.60-1,377,281.70-543,730.20

Finding the Fourth Proportional to 917,496.60, 1,377,281.70 and 543,730.20

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Solution

The fourth proportional to 917,496.60, 1,377,281.70 and 543,730.20 is: 816,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,496.60 : 1,377,281.70 = 543,730.20 : x
  2. Step 2: Convert to fraction form
    917,496.60/1,377,281.70 = 543,730.20/x
  3. Step 3: Cross multiply
    917,496.60x = 1,377,281.70 × 543,730.20
  4. Step 4: Simplify right side
    917,496.60x = 748,869,654,197.34
  5. Step 5: Solve for x
    x = 748,869,654,197.34/917,496.60
  6. Step 6: Final answer
    x = 816,209.73

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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.