Home / 730,187.90-1,007,656.76-403,491.81

Finding the Fourth Proportional to 730,187.90, 1,007,656.76 and 403,491.81

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Solution

The fourth proportional to 730,187.90, 1,007,656.76 and 403,491.81 is: 556,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,187.90 : 1,007,656.76 = 403,491.81 : x
  2. Step 2: Convert to fraction form
    730,187.90/1,007,656.76 = 403,491.81/x
  3. Step 3: Cross multiply
    730,187.90x = 1,007,656.76 × 403,491.81
  4. Step 4: Simplify right side
    730,187.90x = 406,581,247,933.68
  5. Step 5: Solve for x
    x = 406,581,247,933.68/730,187.90
  6. Step 6: Final answer
    x = 556,817.29

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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.