Home / 508,569.61-701,834.97-279,148.36

Finding the Fourth Proportional to 508,569.61, 701,834.97 and 279,148.36

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Solution

The fourth proportional to 508,569.61, 701,834.97 and 279,148.36 is: 385,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,569.61 : 701,834.97 = 279,148.36 : x
  2. Step 2: Convert to fraction form
    508,569.61/701,834.97 = 279,148.36/x
  3. Step 3: Cross multiply
    508,569.61x = 701,834.97 × 279,148.36
  4. Step 4: Simplify right side
    508,569.61x = 195,916,080,866.15
  5. Step 5: Solve for x
    x = 195,916,080,866.15/508,569.61
  6. Step 6: Final answer
    x = 385,229.63

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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.