Home / 784,515.01-1,176,772.53-548,319.01

Finding the Fourth Proportional to 784,515.01, 1,176,772.53 and 548,319.01

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Solution

The fourth proportional to 784,515.01, 1,176,772.53 and 548,319.01 is: 822,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,515.01 : 1,176,772.53 = 548,319.01 : x
  2. Step 2: Convert to fraction form
    784,515.01/1,176,772.53 = 548,319.01/x
  3. Step 3: Cross multiply
    784,515.01x = 1,176,772.53 × 548,319.01
  4. Step 4: Simplify right side
    784,515.01x = 645,246,748,644.80
  5. Step 5: Solve for x
    x = 645,246,748,644.80/784,515.01
  6. Step 6: Final answer
    x = 822,478.53

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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.