Home / 836,005.60-1,254,008.40-204,925.60

Finding the Fourth Proportional to 836,005.60, 1,254,008.40 and 204,925.60

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Solution

The fourth proportional to 836,005.60, 1,254,008.40 and 204,925.60 is: 307,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,005.60 : 1,254,008.40 = 204,925.60 : x
  2. Step 2: Convert to fraction form
    836,005.60/1,254,008.40 = 204,925.60/x
  3. Step 3: Cross multiply
    836,005.60x = 1,254,008.40 × 204,925.60
  4. Step 4: Simplify right side
    836,005.60x = 256,978,423,775.04
  5. Step 5: Solve for x
    x = 256,978,423,775.04/836,005.60
  6. Step 6: Final answer
    x = 307,388.40

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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.