Home / 917,867.88-1,376,491.32-349,113.96

Finding the Fourth Proportional to 917,867.88, 1,376,491.32 and 349,113.96

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Solution

The fourth proportional to 917,867.88, 1,376,491.32 and 349,113.96 is: 523,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,867.88 : 1,376,491.32 = 349,113.96 : x
  2. Step 2: Convert to fraction form
    917,867.88/1,376,491.32 = 349,113.96/x
  3. Step 3: Cross multiply
    917,867.88x = 1,376,491.32 × 349,113.96
  4. Step 4: Simplify right side
    917,867.88x = 480,552,335,630.83
  5. Step 5: Solve for x
    x = 480,552,335,630.83/917,867.88
  6. Step 6: Final answer
    x = 523,552.84

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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.