Home / 784,427.55-1,176,805.35-252,002.40

Finding the Fourth Proportional to 784,427.55, 1,176,805.35 and 252,002.40

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Solution

The fourth proportional to 784,427.55, 1,176,805.35 and 252,002.40 is: 378,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,427.55 : 1,176,805.35 = 252,002.40 : x
  2. Step 2: Convert to fraction form
    784,427.55/1,176,805.35 = 252,002.40/x
  3. Step 3: Cross multiply
    784,427.55x = 1,176,805.35 × 252,002.40
  4. Step 4: Simplify right side
    784,427.55x = 296,557,772,532.84
  5. Step 5: Solve for x
    x = 296,557,772,532.84/784,427.55
  6. Step 6: Final answer
    x = 378,056.29

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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.