Home / 908,949.60-1,255,143.60-570,002.40

Finding the Fourth Proportional to 908,949.60, 1,255,143.60 and 570,002.40

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Solution

The fourth proportional to 908,949.60, 1,255,143.60 and 570,002.40 is: 787,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,949.60 : 1,255,143.60 = 570,002.40 : x
  2. Step 2: Convert to fraction form
    908,949.60/1,255,143.60 = 570,002.40/x
  3. Step 3: Cross multiply
    908,949.60x = 1,255,143.60 × 570,002.40
  4. Step 4: Simplify right side
    908,949.60x = 715,434,864,344.64
  5. Step 5: Solve for x
    x = 715,434,864,344.64/908,949.60
  6. Step 6: Final answer
    x = 787,100.70

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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.