Home / 666,966.54-999,836.78-240,397.98

Finding the Fourth Proportional to 666,966.54, 999,836.78 and 240,397.98

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Solution

The fourth proportional to 666,966.54, 999,836.78 and 240,397.98 is: 360,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,966.54 : 999,836.78 = 240,397.98 : x
  2. Step 2: Convert to fraction form
    666,966.54/999,836.78 = 240,397.98/x
  3. Step 3: Cross multiply
    666,966.54x = 999,836.78 × 240,397.98
  4. Step 4: Simplify right side
    666,966.54x = 240,358,736,040.53
  5. Step 5: Solve for x
    x = 240,358,736,040.53/666,966.54
  6. Step 6: Final answer
    x = 360,376.01

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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.