Home / 900,400.80-1,350,601.20-564,477.60

Finding the Fourth Proportional to 900,400.80, 1,350,601.20 and 564,477.60

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Solution

The fourth proportional to 900,400.80, 1,350,601.20 and 564,477.60 is: 846,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,400.80 : 1,350,601.20 = 564,477.60 : x
  2. Step 2: Convert to fraction form
    900,400.80/1,350,601.20 = 564,477.60/x
  3. Step 3: Cross multiply
    900,400.80x = 1,350,601.20 × 564,477.60
  4. Step 4: Simplify right side
    900,400.80x = 762,384,123,933.12
  5. Step 5: Solve for x
    x = 762,384,123,933.12/900,400.80
  6. Step 6: Final answer
    x = 846,716.40

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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.