Home / 784,859.60-1,177,375.80-286,331.60

Finding the Fourth Proportional to 784,859.60, 1,177,375.80 and 286,331.60

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Solution

The fourth proportional to 784,859.60, 1,177,375.80 and 286,331.60 is: 429,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,859.60 : 1,177,375.80 = 286,331.60 : x
  2. Step 2: Convert to fraction form
    784,859.60/1,177,375.80 = 286,331.60/x
  3. Step 3: Cross multiply
    784,859.60x = 1,177,375.80 × 286,331.60
  4. Step 4: Simplify right side
    784,859.60x = 337,119,896,615.28
  5. Step 5: Solve for x
    x = 337,119,896,615.28/784,859.60
  6. Step 6: Final answer
    x = 429,528.92

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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.