Home / 918,008.46-1,266,826.50-510,099.78

Finding the Fourth Proportional to 918,008.46, 1,266,826.50 and 510,099.78

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Solution

The fourth proportional to 918,008.46, 1,266,826.50 and 510,099.78 is: 703,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,008.46 : 1,266,826.50 = 510,099.78 : x
  2. Step 2: Convert to fraction form
    918,008.46/1,266,826.50 = 510,099.78/x
  3. Step 3: Cross multiply
    918,008.46x = 1,266,826.50 × 510,099.78
  4. Step 4: Simplify right side
    918,008.46x = 646,207,918,948.17
  5. Step 5: Solve for x
    x = 646,207,918,948.17/918,008.46
  6. Step 6: Final answer
    x = 703,923.71

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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.