Home / 900,387.85-1,350,440.83-301,344.25

Finding the Fourth Proportional to 900,387.85, 1,350,440.83 and 301,344.25

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Solution

The fourth proportional to 900,387.85, 1,350,440.83 and 301,344.25 is: 451,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,387.85 : 1,350,440.83 = 301,344.25 : x
  2. Step 2: Convert to fraction form
    900,387.85/1,350,440.83 = 301,344.25/x
  3. Step 3: Cross multiply
    900,387.85x = 1,350,440.83 × 301,344.25
  4. Step 4: Simplify right side
    900,387.85x = 406,947,579,085.73
  5. Step 5: Solve for x
    x = 406,947,579,085.73/900,387.85
  6. Step 6: Final answer
    x = 451,969.20

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1.5x scale

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.