Home / 571,612.98-788,769.05-329,973.39

Finding the Fourth Proportional to 571,612.98, 788,769.05 and 329,973.39

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Solution

The fourth proportional to 571,612.98, 788,769.05 and 329,973.39 is: 455,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,612.98 : 788,769.05 = 329,973.39 : x
  2. Step 2: Convert to fraction form
    571,612.98/788,769.05 = 329,973.39/x
  3. Step 3: Cross multiply
    571,612.98x = 788,769.05 × 329,973.39
  4. Step 4: Simplify right side
    571,612.98x = 260,272,795,705.71
  5. Step 5: Solve for x
    x = 260,272,795,705.71/571,612.98
  6. Step 6: Final answer
    x = 455,330.45

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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.