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Finding the Fourth Proportional to 649,407.74, 896,179.74 and 362,927.66

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Solution

The fourth proportional to 649,407.74, 896,179.74 and 362,927.66 is: 500,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,407.74 : 896,179.74 = 362,927.66 : x
  2. Step 2: Convert to fraction form
    649,407.74/896,179.74 = 362,927.66/x
  3. Step 3: Cross multiply
    649,407.74x = 896,179.74 × 362,927.66
  4. Step 4: Simplify right side
    649,407.74x = 325,248,415,977.61
  5. Step 5: Solve for x
    x = 325,248,415,977.61/649,407.74
  6. Step 6: Final answer
    x = 500,838.53

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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.