Home / 798,309.60-1,196,492.40-348,079.20

Finding the Fourth Proportional to 798,309.60, 1,196,492.40 and 348,079.20

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Solution

The fourth proportional to 798,309.60, 1,196,492.40 and 348,079.20 is: 521,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,309.60 : 1,196,492.40 = 348,079.20 : x
  2. Step 2: Convert to fraction form
    798,309.60/1,196,492.40 = 348,079.20/x
  3. Step 3: Cross multiply
    798,309.60x = 1,196,492.40 × 348,079.20
  4. Step 4: Simplify right side
    798,309.60x = 416,474,117,398.08
  5. Step 5: Solve for x
    x = 416,474,117,398.08/798,309.60
  6. Step 6: Final answer
    x = 521,694.99

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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.