Home / 742,579.76-1,024,761.04-403,048

Finding the Fourth Proportional to 742,579.76, 1,024,761.04 and 403,048

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Solution

The fourth proportional to 742,579.76, 1,024,761.04 and 403,048 is: 556,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,579.76 : 1,024,761.04 = 403,048 : x
  2. Step 2: Convert to fraction form
    742,579.76/1,024,761.04 = 403,048/x
  3. Step 3: Cross multiply
    742,579.76x = 1,024,761.04 × 403,048
  4. Step 4: Simplify right side
    742,579.76x = 413,027,887,649.92
  5. Step 5: Solve for x
    x = 413,027,887,649.92/742,579.76
  6. Step 6: Final answer
    x = 556,206.77

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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.