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Finding the Fourth Proportional to 717,992.35, 990,998.28 and 446,265.46

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Solution

The fourth proportional to 717,992.35, 990,998.28 and 446,265.46 is: 615,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,992.35 : 990,998.28 = 446,265.46 : x
  2. Step 2: Convert to fraction form
    717,992.35/990,998.28 = 446,265.46/x
  3. Step 3: Cross multiply
    717,992.35x = 990,998.28 × 446,265.46
  4. Step 4: Simplify right side
    717,992.35x = 442,248,303,283.41
  5. Step 5: Solve for x
    x = 442,248,303,283.41/717,992.35
  6. Step 6: Final answer
    x = 615,951.27

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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.