Home / 750,681.72-1,035,943.59-406,517.81

Finding the Fourth Proportional to 750,681.72, 1,035,943.59 and 406,517.81

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Solution

The fourth proportional to 750,681.72, 1,035,943.59 and 406,517.81 is: 560,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,681.72 : 1,035,943.59 = 406,517.81 : x
  2. Step 2: Convert to fraction form
    750,681.72/1,035,943.59 = 406,517.81/x
  3. Step 3: Cross multiply
    750,681.72x = 1,035,943.59 × 406,517.81
  4. Step 4: Simplify right side
    750,681.72x = 421,129,514,310.62
  5. Step 5: Solve for x
    x = 421,129,514,310.62/750,681.72
  6. Step 6: Final answer
    x = 560,996.10

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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.