Home / 520,187.10-780,125.13-270,733.02

Finding the Fourth Proportional to 520,187.10, 780,125.13 and 270,733.02

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Solution

The fourth proportional to 520,187.10, 780,125.13 and 270,733.02 is: 406,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,187.10 : 780,125.13 = 270,733.02 : x
  2. Step 2: Convert to fraction form
    520,187.10/780,125.13 = 270,733.02/x
  3. Step 3: Cross multiply
    520,187.10x = 780,125.13 × 270,733.02
  4. Step 4: Simplify right side
    520,187.10x = 211,205,632,422.79
  5. Step 5: Solve for x
    x = 211,205,632,422.79/520,187.10
  6. Step 6: Final answer
    x = 406,018.59

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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.