Home / 785,276.40-1,177,914.60-732,399.60

Finding the Fourth Proportional to 785,276.40, 1,177,914.60 and 732,399.60

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Solution

The fourth proportional to 785,276.40, 1,177,914.60 and 732,399.60 is: 1,098,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,276.40 : 1,177,914.60 = 732,399.60 : x
  2. Step 2: Convert to fraction form
    785,276.40/1,177,914.60 = 732,399.60/x
  3. Step 3: Cross multiply
    785,276.40x = 1,177,914.60 × 732,399.60
  4. Step 4: Simplify right side
    785,276.40x = 862,704,181,874.16
  5. Step 5: Solve for x
    x = 862,704,181,874.16/785,276.40
  6. Step 6: Final answer
    x = 1,098,599.40

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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.