Home / 900,555.14-1,350,832.71-426,982.16

Finding the Fourth Proportional to 900,555.14, 1,350,832.71 and 426,982.16

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Solution

The fourth proportional to 900,555.14, 1,350,832.71 and 426,982.16 is: 640,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,555.14 : 1,350,832.71 = 426,982.16 : x
  2. Step 2: Convert to fraction form
    900,555.14/1,350,832.71 = 426,982.16/x
  3. Step 3: Cross multiply
    900,555.14x = 1,350,832.71 × 426,982.16
  4. Step 4: Simplify right side
    900,555.14x = 576,781,461,560.29
  5. Step 5: Solve for x
    x = 576,781,461,560.29/900,555.14
  6. Step 6: Final answer
    x = 640,473.24

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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.