Home / 680,397.39-1,020,825.52-301,266.36

Finding the Fourth Proportional to 680,397.39, 1,020,825.52 and 301,266.36

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Solution

The fourth proportional to 680,397.39, 1,020,825.52 and 301,266.36 is: 452,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,397.39 : 1,020,825.52 = 301,266.36 : x
  2. Step 2: Convert to fraction form
    680,397.39/1,020,825.52 = 301,266.36/x
  3. Step 3: Cross multiply
    680,397.39x = 1,020,825.52 × 301,266.36
  4. Step 4: Simplify right side
    680,397.39x = 307,540,387,852.34
  5. Step 5: Solve for x
    x = 307,540,387,852.34/680,397.39
  6. Step 6: Final answer
    x = 452,001.13

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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.