Home / 908,905.60-1,363,345.60-410,268.80

Finding the Fourth Proportional to 908,905.60, 1,363,345.60 and 410,268.80

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Solution

The fourth proportional to 908,905.60, 1,363,345.60 and 410,268.80 is: 615,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,905.60 : 1,363,345.60 = 410,268.80 : x
  2. Step 2: Convert to fraction form
    908,905.60/1,363,345.60 = 410,268.80/x
  3. Step 3: Cross multiply
    908,905.60x = 1,363,345.60 × 410,268.80
  4. Step 4: Simplify right side
    908,905.60x = 559,338,163,297.28
  5. Step 5: Solve for x
    x = 559,338,163,297.28/908,905.60
  6. Step 6: Final answer
    x = 615,397.42

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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.