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Finding the Fourth Proportional to 615,657.60, 922,017.60 and 299,097.60

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Solution

The fourth proportional to 615,657.60, 922,017.60 and 299,097.60 is: 447,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,657.60 : 922,017.60 = 299,097.60 : x
  2. Step 2: Convert to fraction form
    615,657.60/922,017.60 = 299,097.60/x
  3. Step 3: Cross multiply
    615,657.60x = 922,017.60 × 299,097.60
  4. Step 4: Simplify right side
    615,657.60x = 275,773,251,317.76
  5. Step 5: Solve for x
    x = 275,773,251,317.76/615,657.60
  6. Step 6: Final answer
    x = 447,932.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.