Home / 927,627.60-1,389,828.60-427,966.80

Finding the Fourth Proportional to 927,627.60, 1,389,828.60 and 427,966.80

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Solution

The fourth proportional to 927,627.60, 1,389,828.60 and 427,966.80 is: 641,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,627.60 : 1,389,828.60 = 427,966.80 : x
  2. Step 2: Convert to fraction form
    927,627.60/1,389,828.60 = 427,966.80/x
  3. Step 3: Cross multiply
    927,627.60x = 1,389,828.60 × 427,966.80
  4. Step 4: Simplify right side
    927,627.60x = 594,800,498,490.48
  5. Step 5: Solve for x
    x = 594,800,498,490.48/927,627.60
  6. Step 6: Final answer
    x = 641,206.12

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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.