Home / 820,575.38-1,131,501.20-533,563.22

Finding the Fourth Proportional to 820,575.38, 1,131,501.20 and 533,563.22

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Solution

The fourth proportional to 820,575.38, 1,131,501.20 and 533,563.22 is: 735,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,575.38 : 1,131,501.20 = 533,563.22 : x
  2. Step 2: Convert to fraction form
    820,575.38/1,131,501.20 = 533,563.22/x
  3. Step 3: Cross multiply
    820,575.38x = 1,131,501.20 × 533,563.22
  4. Step 4: Simplify right side
    820,575.38x = 603,727,423,705.86
  5. Step 5: Solve for x
    x = 603,727,423,705.86/820,575.38
  6. Step 6: Final answer
    x = 735,736.70

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.