Home / 742,649.04-1,024,876.80-403,139.16

Finding the Fourth Proportional to 742,649.04, 1,024,876.80 and 403,139.16

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Solution

The fourth proportional to 742,649.04, 1,024,876.80 and 403,139.16 is: 556,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,649.04 : 1,024,876.80 = 403,139.16 : x
  2. Step 2: Convert to fraction form
    742,649.04/1,024,876.80 = 403,139.16/x
  3. Step 3: Cross multiply
    742,649.04x = 1,024,876.80 × 403,139.16
  4. Step 4: Simplify right side
    742,649.04x = 413,167,972,255.49
  5. Step 5: Solve for x
    x = 413,167,972,255.49/742,649.04
  6. Step 6: Final answer
    x = 556,343.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.