Home / 727,228.34-1,003,554.53-396,076.75

Finding the Fourth Proportional to 727,228.34, 1,003,554.53 and 396,076.75

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Solution

The fourth proportional to 727,228.34, 1,003,554.53 and 396,076.75 is: 546,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,228.34 : 1,003,554.53 = 396,076.75 : x
  2. Step 2: Convert to fraction form
    727,228.34/1,003,554.53 = 396,076.75/x
  3. Step 3: Cross multiply
    727,228.34x = 1,003,554.53 × 396,076.75
  4. Step 4: Simplify right side
    727,228.34x = 397,484,613,686.20
  5. Step 5: Solve for x
    x = 397,484,613,686.20/727,228.34
  6. Step 6: Final answer
    x = 546,574.70

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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.