Home / 784,901.60-1,177,438.80-286,373.60

Finding the Fourth Proportional to 784,901.60, 1,177,438.80 and 286,373.60

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Solution

The fourth proportional to 784,901.60, 1,177,438.80 and 286,373.60 is: 429,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,901.60 : 1,177,438.80 = 286,373.60 : x
  2. Step 2: Convert to fraction form
    784,901.60/1,177,438.80 = 286,373.60/x
  3. Step 3: Cross multiply
    784,901.60x = 1,177,438.80 × 286,373.60
  4. Step 4: Simplify right side
    784,901.60x = 337,187,387,935.68
  5. Step 5: Solve for x
    x = 337,187,387,935.68/784,901.60
  6. Step 6: Final answer
    x = 429,591.92

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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.