Home / 678,271.46-936,026.28-372,376.17

Finding the Fourth Proportional to 678,271.46, 936,026.28 and 372,376.17

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Solution

The fourth proportional to 678,271.46, 936,026.28 and 372,376.17 is: 513,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,271.46 : 936,026.28 = 372,376.17 : x
  2. Step 2: Convert to fraction form
    678,271.46/936,026.28 = 372,376.17/x
  3. Step 3: Cross multiply
    678,271.46x = 936,026.28 × 372,376.17
  4. Step 4: Simplify right side
    678,271.46x = 348,553,881,165.75
  5. Step 5: Solve for x
    x = 348,553,881,165.75/678,271.46
  6. Step 6: Final answer
    x = 513,885.52

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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.