Home / 765,175.80-1,146,381.30-654,583.80

Finding the Fourth Proportional to 765,175.80, 1,146,381.30 and 654,583.80

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Solution

The fourth proportional to 765,175.80, 1,146,381.30 and 654,583.80 is: 980,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,175.80 : 1,146,381.30 = 654,583.80 : x
  2. Step 2: Convert to fraction form
    765,175.80/1,146,381.30 = 654,583.80/x
  3. Step 3: Cross multiply
    765,175.80x = 1,146,381.30 × 654,583.80
  4. Step 4: Simplify right side
    765,175.80x = 750,402,627,602.94
  5. Step 5: Solve for x
    x = 750,402,627,602.94/765,175.80
  6. Step 6: Final answer
    x = 980,693.10

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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.