Home / 784,426.55-1,176,803.85-252,001.40

Finding the Fourth Proportional to 784,426.55, 1,176,803.85 and 252,001.40

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Solution

The fourth proportional to 784,426.55, 1,176,803.85 and 252,001.40 is: 378,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,426.55 : 1,176,803.85 = 252,001.40 : x
  2. Step 2: Convert to fraction form
    784,426.55/1,176,803.85 = 252,001.40/x
  3. Step 3: Cross multiply
    784,426.55x = 1,176,803.85 × 252,001.40
  4. Step 4: Simplify right side
    784,426.55x = 296,556,217,725.39
  5. Step 5: Solve for x
    x = 296,556,217,725.39/784,426.55
  6. Step 6: Final answer
    x = 378,054.79

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Double scale
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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.