Home / 869,848.82-1,199,997.96-564,002.68

Finding the Fourth Proportional to 869,848.82, 1,199,997.96 and 564,002.68

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Solution

The fourth proportional to 869,848.82, 1,199,997.96 and 564,002.68 is: 778,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,848.82 : 1,199,997.96 = 564,002.68 : x
  2. Step 2: Convert to fraction form
    869,848.82/1,199,997.96 = 564,002.68/x
  3. Step 3: Cross multiply
    869,848.82x = 1,199,997.96 × 564,002.68
  4. Step 4: Simplify right side
    869,848.82x = 676,802,062,569.52
  5. Step 5: Solve for x
    x = 676,802,062,569.52/869,848.82
  6. Step 6: Final answer
    x = 778,068.61

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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.