Home / 742,404.88-1,024,521.60-402,873.22

Finding the Fourth Proportional to 742,404.88, 1,024,521.60 and 402,873.22

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Solution

The fourth proportional to 742,404.88, 1,024,521.60 and 402,873.22 is: 555,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,404.88 : 1,024,521.60 = 402,873.22 : x
  2. Step 2: Convert to fraction form
    742,404.88/1,024,521.60 = 402,873.22/x
  3. Step 3: Cross multiply
    742,404.88x = 1,024,521.60 × 402,873.22
  4. Step 4: Simplify right side
    742,404.88x = 412,752,315,951.55
  5. Step 5: Solve for x
    x = 412,752,315,951.55/742,404.88
  6. Step 6: Final answer
    x = 555,966.60

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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.