Home / 820,182.40-1,230,273.60-503,612.80

Finding the Fourth Proportional to 820,182.40, 1,230,273.60 and 503,612.80

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Solution

The fourth proportional to 820,182.40, 1,230,273.60 and 503,612.80 is: 755,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,182.40 : 1,230,273.60 = 503,612.80 : x
  2. Step 2: Convert to fraction form
    820,182.40/1,230,273.60 = 503,612.80/x
  3. Step 3: Cross multiply
    820,182.40x = 1,230,273.60 × 503,612.80
  4. Step 4: Simplify right side
    820,182.40x = 619,581,532,462.08
  5. Step 5: Solve for x
    x = 619,581,532,462.08/820,182.40
  6. Step 6: Final answer
    x = 755,419.20

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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.