Home / 742,537.88-1,024,703.02-403,006.28

Finding the Fourth Proportional to 742,537.88, 1,024,703.02 and 403,006.28

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Solution

The fourth proportional to 742,537.88, 1,024,703.02 and 403,006.28 is: 556,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,537.88 : 1,024,703.02 = 403,006.28 : x
  2. Step 2: Convert to fraction form
    742,537.88/1,024,703.02 = 403,006.28/x
  3. Step 3: Cross multiply
    742,537.88x = 1,024,703.02 × 403,006.28
  4. Step 4: Simplify right side
    742,537.88x = 412,961,752,194.97
  5. Step 5: Solve for x
    x = 412,961,752,194.97/742,537.88
  6. Step 6: Final answer
    x = 556,149.07

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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.