Home / 900,585.14-1,350,877.91-427,012.16

Finding the Fourth Proportional to 900,585.14, 1,350,877.91 and 427,012.16

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Solution

The fourth proportional to 900,585.14, 1,350,877.91 and 427,012.16 is: 640,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,585.14 : 1,350,877.91 = 427,012.16 : x
  2. Step 2: Convert to fraction form
    900,585.14/1,350,877.91 = 427,012.16/x
  3. Step 3: Cross multiply
    900,585.14x = 1,350,877.91 × 427,012.16
  4. Step 4: Simplify right side
    900,585.14x = 576,841,285,355.94
  5. Step 5: Solve for x
    x = 576,841,285,355.94/900,585.14
  6. Step 6: Final answer
    x = 640,518.33

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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.