Home / 900,454.68-1,350,681.28-360,954.72

Finding the Fourth Proportional to 900,454.68, 1,350,681.28 and 360,954.72

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Solution

The fourth proportional to 900,454.68, 1,350,681.28 and 360,954.72 is: 541,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,454.68 : 1,350,681.28 = 360,954.72 : x
  2. Step 2: Convert to fraction form
    900,454.68/1,350,681.28 = 360,954.72/x
  3. Step 3: Cross multiply
    900,454.68x = 1,350,681.28 × 360,954.72
  4. Step 4: Simplify right side
    900,454.68x = 487,534,783,231.64
  5. Step 5: Solve for x
    x = 487,534,783,231.64/900,454.68
  6. Step 6: Final answer
    x = 541,431.78

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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.