Home / 852,700.80-1,279,051.20-498,115.20

Finding the Fourth Proportional to 852,700.80, 1,279,051.20 and 498,115.20

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Solution

The fourth proportional to 852,700.80, 1,279,051.20 and 498,115.20 is: 747,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,700.80 : 1,279,051.20 = 498,115.20 : x
  2. Step 2: Convert to fraction form
    852,700.80/1,279,051.20 = 498,115.20/x
  3. Step 3: Cross multiply
    852,700.80x = 1,279,051.20 × 498,115.20
  4. Step 4: Simplify right side
    852,700.80x = 637,114,844,298.24
  5. Step 5: Solve for x
    x = 637,114,844,298.24/852,700.80
  6. Step 6: Final answer
    x = 747,172.80

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Double scale
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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.