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Finding the Fourth Proportional to 650,718.66, 897,985.49 and 374,975.20

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Solution

The fourth proportional to 650,718.66, 897,985.49 and 374,975.20 is: 517,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,718.66 : 897,985.49 = 374,975.20 : x
  2. Step 2: Convert to fraction form
    650,718.66/897,985.49 = 374,975.20/x
  3. Step 3: Cross multiply
    650,718.66x = 897,985.49 × 374,975.20
  4. Step 4: Simplify right side
    650,718.66x = 336,722,291,329.48
  5. Step 5: Solve for x
    x = 336,722,291,329.48/650,718.66
  6. Step 6: Final answer
    x = 517,462.18

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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.