Home / 852,070.78-1,278,281.13-346,630.48

Finding the Fourth Proportional to 852,070.78, 1,278,281.13 and 346,630.48

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Solution

The fourth proportional to 852,070.78, 1,278,281.13 and 346,630.48 is: 520,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,070.78 : 1,278,281.13 = 346,630.48 : x
  2. Step 2: Convert to fraction form
    852,070.78/1,278,281.13 = 346,630.48/x
  3. Step 3: Cross multiply
    852,070.78x = 1,278,281.13 × 346,630.48
  4. Step 4: Simplify right side
    852,070.78x = 443,091,201,666.84
  5. Step 5: Solve for x
    x = 443,091,201,666.84/852,070.78
  6. Step 6: Final answer
    x = 520,016.90

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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.