Home / 527,466.87-727,943.36-298,050.57

Finding the Fourth Proportional to 527,466.87, 727,943.36 and 298,050.57

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Solution

The fourth proportional to 527,466.87, 727,943.36 and 298,050.57 is: 411,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,466.87 : 727,943.36 = 298,050.57 : x
  2. Step 2: Convert to fraction form
    527,466.87/727,943.36 = 298,050.57/x
  3. Step 3: Cross multiply
    527,466.87x = 727,943.36 × 298,050.57
  4. Step 4: Simplify right side
    527,466.87x = 216,963,931,885.46
  5. Step 5: Solve for x
    x = 216,963,931,885.46/527,466.87
  6. Step 6: Final answer
    x = 411,331.87

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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.