Home / 527,271.66-727,631.22-285,548.70

Finding the Fourth Proportional to 527,271.66, 727,631.22 and 285,548.70

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Solution

The fourth proportional to 527,271.66, 727,631.22 and 285,548.70 is: 394,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,271.66 : 727,631.22 = 285,548.70 : x
  2. Step 2: Convert to fraction form
    527,271.66/727,631.22 = 285,548.70/x
  3. Step 3: Cross multiply
    527,271.66x = 727,631.22 × 285,548.70
  4. Step 4: Simplify right side
    527,271.66x = 207,774,148,950.41
  5. Step 5: Solve for x
    x = 207,774,148,950.41/527,271.66
  6. Step 6: Final answer
    x = 394,055.22

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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.