Home / 750,356.98-1,035,491.53-406,191.22

Finding the Fourth Proportional to 750,356.98, 1,035,491.53 and 406,191.22

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Solution

The fourth proportional to 750,356.98, 1,035,491.53 and 406,191.22 is: 560,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,356.98 : 1,035,491.53 = 406,191.22 : x
  2. Step 2: Convert to fraction form
    750,356.98/1,035,491.53 = 406,191.22/x
  3. Step 3: Cross multiply
    750,356.98x = 1,035,491.53 × 406,191.22
  4. Step 4: Simplify right side
    750,356.98x = 420,607,565,839.41
  5. Step 5: Solve for x
    x = 420,607,565,839.41/750,356.98
  6. Step 6: Final answer
    x = 560,543.28

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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.