Home / 747,830.40-1,121,526.90-268,002.60

Finding the Fourth Proportional to 747,830.40, 1,121,526.90 and 268,002.60

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Solution

The fourth proportional to 747,830.40, 1,121,526.90 and 268,002.60 is: 401,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,830.40 : 1,121,526.90 = 268,002.60 : x
  2. Step 2: Convert to fraction form
    747,830.40/1,121,526.90 = 268,002.60/x
  3. Step 3: Cross multiply
    747,830.40x = 1,121,526.90 × 268,002.60
  4. Step 4: Simplify right side
    747,830.40x = 300,572,125,169.94
  5. Step 5: Solve for x
    x = 300,572,125,169.94/747,830.40
  6. Step 6: Final answer
    x = 401,925.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.