Home / 610,929.01-843,041.52-338,979.66

Finding the Fourth Proportional to 610,929.01, 843,041.52 and 338,979.66

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Solution

The fourth proportional to 610,929.01, 843,041.52 and 338,979.66 is: 467,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,929.01 : 843,041.52 = 338,979.66 : x
  2. Step 2: Convert to fraction form
    610,929.01/843,041.52 = 338,979.66/x
  3. Step 3: Cross multiply
    610,929.01x = 843,041.52 × 338,979.66
  4. Step 4: Simplify right side
    610,929.01x = 285,773,924,012.98
  5. Step 5: Solve for x
    x = 285,773,924,012.98/610,929.01
  6. Step 6: Final answer
    x = 467,769.45

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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.