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Finding the Fourth Proportional to 605,324.60, 907,641.30 and 249,918.20

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Solution

The fourth proportional to 605,324.60, 907,641.30 and 249,918.20 is: 374,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,324.60 : 907,641.30 = 249,918.20 : x
  2. Step 2: Convert to fraction form
    605,324.60/907,641.30 = 249,918.20/x
  3. Step 3: Cross multiply
    605,324.60x = 907,641.30 × 249,918.20
  4. Step 4: Simplify right side
    605,324.60x = 226,836,079,941.66
  5. Step 5: Solve for x
    x = 226,836,079,941.66/605,324.60
  6. Step 6: Final answer
    x = 374,734.61

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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.