Home / 722,522.40-1,084,107.60-249,547.20

Finding the Fourth Proportional to 722,522.40, 1,084,107.60 and 249,547.20

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Solution

The fourth proportional to 722,522.40, 1,084,107.60 and 249,547.20 is: 374,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,522.40 : 1,084,107.60 = 249,547.20 : x
  2. Step 2: Convert to fraction form
    722,522.40/1,084,107.60 = 249,547.20/x
  3. Step 3: Cross multiply
    722,522.40x = 1,084,107.60 × 249,547.20
  4. Step 4: Simplify right side
    722,522.40x = 270,536,016,078.72
  5. Step 5: Solve for x
    x = 270,536,016,078.72/722,522.40
  6. Step 6: Final answer
    x = 374,432.70

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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.