Home / 698,229.60-1,047,862.80-277,807.20

Finding the Fourth Proportional to 698,229.60, 1,047,862.80 and 277,807.20

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Solution

The fourth proportional to 698,229.60, 1,047,862.80 and 277,807.20 is: 416,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,229.60 : 1,047,862.80 = 277,807.20 : x
  2. Step 2: Convert to fraction form
    698,229.60/1,047,862.80 = 277,807.20/x
  3. Step 3: Cross multiply
    698,229.60x = 1,047,862.80 × 277,807.20
  4. Step 4: Simplify right side
    698,229.60x = 291,103,830,452.16
  5. Step 5: Solve for x
    x = 291,103,830,452.16/698,229.60
  6. Step 6: Final answer
    x = 416,917.06

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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.