Home / 851,189.65-1,174,649.70-469,230.10

Finding the Fourth Proportional to 851,189.65, 1,174,649.70 and 469,230.10

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Solution

The fourth proportional to 851,189.65, 1,174,649.70 and 469,230.10 is: 647,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,189.65 : 1,174,649.70 = 469,230.10 : x
  2. Step 2: Convert to fraction form
    851,189.65/1,174,649.70 = 469,230.10/x
  3. Step 3: Cross multiply
    851,189.65x = 1,174,649.70 × 469,230.10
  4. Step 4: Simplify right side
    851,189.65x = 551,180,996,195.97
  5. Step 5: Solve for x
    x = 551,180,996,195.97/851,189.65
  6. Step 6: Final answer
    x = 647,541.94

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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.