Home / 418,770.04-577,896.78-227,779.06

Finding the Fourth Proportional to 418,770.04, 577,896.78 and 227,779.06

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Solution

The fourth proportional to 418,770.04, 577,896.78 and 227,779.06 is: 314,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,770.04 : 577,896.78 = 227,779.06 : x
  2. Step 2: Convert to fraction form
    418,770.04/577,896.78 = 227,779.06/x
  3. Step 3: Cross multiply
    418,770.04x = 577,896.78 × 227,779.06
  4. Step 4: Simplify right side
    418,770.04x = 131,632,785,325.43
  5. Step 5: Solve for x
    x = 131,632,785,325.43/418,770.04
  6. Step 6: Final answer
    x = 314,331.91

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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.