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Finding the Fourth Proportional to 508,545.37, 701,801.51 and 279,124.11

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Solution

The fourth proportional to 508,545.37, 701,801.51 and 279,124.11 is: 385,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,545.37 : 701,801.51 = 279,124.11 : x
  2. Step 2: Convert to fraction form
    508,545.37/701,801.51 = 279,124.11/x
  3. Step 3: Cross multiply
    508,545.37x = 701,801.51 × 279,124.11
  4. Step 4: Simplify right side
    508,545.37x = 195,889,720,479.79
  5. Step 5: Solve for x
    x = 195,889,720,479.79/508,545.37
  6. Step 6: Final answer
    x = 385,196.15

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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.