Home / 850,233.60-1,276,732.80-615,225.60

Finding the Fourth Proportional to 850,233.60, 1,276,732.80 and 615,225.60

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Solution

The fourth proportional to 850,233.60, 1,276,732.80 and 615,225.60 is: 923,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,233.60 : 1,276,732.80 = 615,225.60 : x
  2. Step 2: Convert to fraction form
    850,233.60/1,276,732.80 = 615,225.60/x
  3. Step 3: Cross multiply
    850,233.60x = 1,276,732.80 × 615,225.60
  4. Step 4: Simplify right side
    850,233.60x = 785,478,702,919.68
  5. Step 5: Solve for x
    x = 785,478,702,919.68/850,233.60
  6. Step 6: Final answer
    x = 923,838.70

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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.