Home / 851,031.04-1,276,746.16-338,727.20

Finding the Fourth Proportional to 851,031.04, 1,276,746.16 and 338,727.20

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Solution

The fourth proportional to 851,031.04, 1,276,746.16 and 338,727.20 is: 508,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,031.04 : 1,276,746.16 = 338,727.20 : x
  2. Step 2: Convert to fraction form
    851,031.04/1,276,746.16 = 338,727.20/x
  3. Step 3: Cross multiply
    851,031.04x = 1,276,746.16 × 338,727.20
  4. Step 4: Simplify right side
    851,031.04x = 432,468,651,887.55
  5. Step 5: Solve for x
    x = 432,468,651,887.55/851,031.04
  6. Step 6: Final answer
    x = 508,170.24

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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.