Home / 908,686.48-1,253,996.04-500,803.12

Finding the Fourth Proportional to 908,686.48, 1,253,996.04 and 500,803.12

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Solution

The fourth proportional to 908,686.48, 1,253,996.04 and 500,803.12 is: 691,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,686.48 : 1,253,996.04 = 500,803.12 : x
  2. Step 2: Convert to fraction form
    908,686.48/1,253,996.04 = 500,803.12/x
  3. Step 3: Cross multiply
    908,686.48x = 1,253,996.04 × 500,803.12
  4. Step 4: Simplify right side
    908,686.48x = 628,005,129,299.65
  5. Step 5: Solve for x
    x = 628,005,129,299.65/908,686.48
  6. Step 6: Final answer
    x = 691,113.10

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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.