Home / 851,320.68-1,174,875.48-469,346.88

Finding the Fourth Proportional to 851,320.68, 1,174,875.48 and 469,346.88

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Solution

The fourth proportional to 851,320.68, 1,174,875.48 and 469,346.88 is: 647,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,320.68 : 1,174,875.48 = 469,346.88 : x
  2. Step 2: Convert to fraction form
    851,320.68/1,174,875.48 = 469,346.88/x
  3. Step 3: Cross multiply
    851,320.68x = 1,174,875.48 × 469,346.88
  4. Step 4: Simplify right side
    851,320.68x = 551,424,140,926.50
  5. Step 5: Solve for x
    x = 551,424,140,926.50/851,320.68
  6. Step 6: Final answer
    x = 647,727.88

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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.