Home / 784,728.64-1,177,084.72-519,675.04

Finding the Fourth Proportional to 784,728.64, 1,177,084.72 and 519,675.04

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Solution

The fourth proportional to 784,728.64, 1,177,084.72 and 519,675.04 is: 779,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,728.64 : 1,177,084.72 = 519,675.04 : x
  2. Step 2: Convert to fraction form
    784,728.64/1,177,084.72 = 519,675.04/x
  3. Step 3: Cross multiply
    784,728.64x = 1,177,084.72 × 519,675.04
  4. Step 4: Simplify right side
    784,728.64x = 611,701,540,465.59
  5. Step 5: Solve for x
    x = 611,701,540,465.59/784,728.64
  6. Step 6: Final answer
    x = 779,507.10

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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.