Home / 722,941.20-1,084,411.80-554,979.60

Finding the Fourth Proportional to 722,941.20, 1,084,411.80 and 554,979.60

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Solution

The fourth proportional to 722,941.20, 1,084,411.80 and 554,979.60 is: 832,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,941.20 : 1,084,411.80 = 554,979.60 : x
  2. Step 2: Convert to fraction form
    722,941.20/1,084,411.80 = 554,979.60/x
  3. Step 3: Cross multiply
    722,941.20x = 1,084,411.80 × 554,979.60
  4. Step 4: Simplify right side
    722,941.20x = 601,826,426,999.28
  5. Step 5: Solve for x
    x = 601,826,426,999.28/722,941.20
  6. Step 6: Final answer
    x = 832,469.40

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Similar ratio
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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.