Home / 479,434.14-661,632.59-264,587.76

Finding the Fourth Proportional to 479,434.14, 661,632.59 and 264,587.76

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Solution

The fourth proportional to 479,434.14, 661,632.59 and 264,587.76 is: 365,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,434.14 : 661,632.59 = 264,587.76 : x
  2. Step 2: Convert to fraction form
    479,434.14/661,632.59 = 264,587.76/x
  3. Step 3: Cross multiply
    479,434.14x = 661,632.59 × 264,587.76
  4. Step 4: Simplify right side
    479,434.14x = 175,059,885,592.57
  5. Step 5: Solve for x
    x = 175,059,885,592.57/479,434.14
  6. Step 6: Final answer
    x = 365,138.55

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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.