Home / 742,414.88-1,024,535.28-402,883.04

Finding the Fourth Proportional to 742,414.88, 1,024,535.28 and 402,883.04

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Solution

The fourth proportional to 742,414.88, 1,024,535.28 and 402,883.04 is: 555,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,414.88 : 1,024,535.28 = 402,883.04 : x
  2. Step 2: Convert to fraction form
    742,414.88/1,024,535.28 = 402,883.04/x
  3. Step 3: Cross multiply
    742,414.88x = 1,024,535.28 × 402,883.04
  4. Step 4: Simplify right side
    742,414.88x = 412,767,888,193.65
  5. Step 5: Solve for x
    x = 412,767,888,193.65/742,414.88
  6. Step 6: Final answer
    x = 555,980.09

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1.5x scale

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.