Home / 527,614.71-727,827.51-320,946.29

Finding the Fourth Proportional to 527,614.71, 727,827.51 and 320,946.29

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Solution

The fourth proportional to 527,614.71, 727,827.51 and 320,946.29 is: 442,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,614.71 : 727,827.51 = 320,946.29 : x
  2. Step 2: Convert to fraction form
    527,614.71/727,827.51 = 320,946.29/x
  3. Step 3: Cross multiply
    527,614.71x = 727,827.51 × 320,946.29
  4. Step 4: Simplify right side
    527,614.71x = 233,593,539,094.44
  5. Step 5: Solve for x
    x = 233,593,539,094.44/527,614.71
  6. Step 6: Final answer
    x = 442,735.08

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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.