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Finding the Fourth Proportional to 900,323.60, 1,350,485.40 and 235,475.60

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Solution

The fourth proportional to 900,323.60, 1,350,485.40 and 235,475.60 is: 353,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,323.60 : 1,350,485.40 = 235,475.60 : x
  2. Step 2: Convert to fraction form
    900,323.60/1,350,485.40 = 235,475.60/x
  3. Step 3: Cross multiply
    900,323.60x = 1,350,485.40 × 235,475.60
  4. Step 4: Simplify right side
    900,323.60x = 318,006,359,856.24
  5. Step 5: Solve for x
    x = 318,006,359,856.24/900,323.60
  6. Step 6: Final answer
    x = 353,213.40

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Similar ratio
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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.