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Finding the Fourth Proportional to 662,405.68, 914,119.72 and 360,599.60

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Solution

The fourth proportional to 662,405.68, 914,119.72 and 360,599.60 is: 497,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,405.68 : 914,119.72 = 360,599.60 : x
  2. Step 2: Convert to fraction form
    662,405.68/914,119.72 = 360,599.60/x
  3. Step 3: Cross multiply
    662,405.68x = 914,119.72 × 360,599.60
  4. Step 4: Simplify right side
    662,405.68x = 329,631,205,384.11
  5. Step 5: Solve for x
    x = 329,631,205,384.11/662,405.68
  6. Step 6: Final answer
    x = 497,627.38

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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.