Home / 731,872.80-1,097,809.20-519,296.40

Finding the Fourth Proportional to 731,872.80, 1,097,809.20 and 519,296.40

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Solution

The fourth proportional to 731,872.80, 1,097,809.20 and 519,296.40 is: 778,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,872.80 : 1,097,809.20 = 519,296.40 : x
  2. Step 2: Convert to fraction form
    731,872.80/1,097,809.20 = 519,296.40/x
  3. Step 3: Cross multiply
    731,872.80x = 1,097,809.20 × 519,296.40
  4. Step 4: Simplify right side
    731,872.80x = 570,088,365,446.88
  5. Step 5: Solve for x
    x = 570,088,365,446.88/731,872.80
  6. Step 6: Final answer
    x = 778,944.60

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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.