Home / 900,439.68-1,350,658.80-360,939.72

Finding the Fourth Proportional to 900,439.68, 1,350,658.80 and 360,939.72

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Solution

The fourth proportional to 900,439.68, 1,350,658.80 and 360,939.72 is: 541,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,439.68 : 1,350,658.80 = 360,939.72 : x
  2. Step 2: Convert to fraction form
    900,439.68/1,350,658.80 = 360,939.72/x
  3. Step 3: Cross multiply
    900,439.68x = 1,350,658.80 × 360,939.72
  4. Step 4: Simplify right side
    900,439.68x = 487,506,409,087.54
  5. Step 5: Solve for x
    x = 487,506,409,087.54/900,439.68
  6. Step 6: Final answer
    x = 541,409.29

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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.