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Finding the Fourth Proportional to 552,540.40, 762,500.24 and 307,521.07

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Solution

The fourth proportional to 552,540.40, 762,500.24 and 307,521.07 is: 424,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,540.40 : 762,500.24 = 307,521.07 : x
  2. Step 2: Convert to fraction form
    552,540.40/762,500.24 = 307,521.07/x
  3. Step 3: Cross multiply
    552,540.40x = 762,500.24 × 307,521.07
  4. Step 4: Simplify right side
    552,540.40x = 234,484,889,680.06
  5. Step 5: Solve for x
    x = 234,484,889,680.06/552,540.40
  6. Step 6: Final answer
    x = 424,376.01

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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.