Home / 546,988.20-820,482.30-346,221.60

Finding the Fourth Proportional to 546,988.20, 820,482.30 and 346,221.60

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Solution

The fourth proportional to 546,988.20, 820,482.30 and 346,221.60 is: 519,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,988.20 : 820,482.30 = 346,221.60 : x
  2. Step 2: Convert to fraction form
    546,988.20/820,482.30 = 346,221.60/x
  3. Step 3: Cross multiply
    546,988.20x = 820,482.30 × 346,221.60
  4. Step 4: Simplify right side
    546,988.20x = 284,068,694,677.68
  5. Step 5: Solve for x
    x = 284,068,694,677.68/546,988.20
  6. Step 6: Final answer
    x = 519,332.40

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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.