Home / 578,293.74-867,484.35-178,974.90

Finding the Fourth Proportional to 578,293.74, 867,484.35 and 178,974.90

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Solution

The fourth proportional to 578,293.74, 867,484.35 and 178,974.90 is: 268,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,293.74 : 867,484.35 = 178,974.90 : x
  2. Step 2: Convert to fraction form
    578,293.74/867,484.35 = 178,974.90/x
  3. Step 3: Cross multiply
    578,293.74x = 867,484.35 × 178,974.90
  4. Step 4: Simplify right side
    578,293.74x = 155,257,924,792.82
  5. Step 5: Solve for x
    x = 155,257,924,792.82/578,293.74
  6. Step 6: Final answer
    x = 268,475.89

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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.