Home / 527,443.14-727,875.06-285,725.72

Finding the Fourth Proportional to 527,443.14, 727,875.06 and 285,725.72

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Solution

The fourth proportional to 527,443.14, 727,875.06 and 285,725.72 is: 394,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,443.14 : 727,875.06 = 285,725.72 : x
  2. Step 2: Convert to fraction form
    527,443.14/727,875.06 = 285,725.72/x
  3. Step 3: Cross multiply
    527,443.14x = 727,875.06 × 285,725.72
  4. Step 4: Simplify right side
    527,443.14x = 207,972,625,588.54
  5. Step 5: Solve for x
    x = 207,972,625,588.54/527,443.14
  6. Step 6: Final answer
    x = 394,303.40

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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.