Home / 918,099.45-1,266,769.67-555,514.29

Finding the Fourth Proportional to 918,099.45, 1,266,769.67 and 555,514.29

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Solution

The fourth proportional to 918,099.45, 1,266,769.67 and 555,514.29 is: 766,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,099.45 : 1,266,769.67 = 555,514.29 : x
  2. Step 2: Convert to fraction form
    918,099.45/1,266,769.67 = 555,514.29/x
  3. Step 3: Cross multiply
    918,099.45x = 1,266,769.67 × 555,514.29
  4. Step 4: Simplify right side
    918,099.45x = 703,708,651,046.01
  5. Step 5: Solve for x
    x = 703,708,651,046.01/918,099.45
  6. Step 6: Final answer
    x = 766,484.12

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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.