Home / 419,411.04-578,844.32-247,377.66

Finding the Fourth Proportional to 419,411.04, 578,844.32 and 247,377.66

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Solution

The fourth proportional to 419,411.04, 578,844.32 and 247,377.66 is: 341,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,411.04 : 578,844.32 = 247,377.66 : x
  2. Step 2: Convert to fraction form
    419,411.04/578,844.32 = 247,377.66/x
  3. Step 3: Cross multiply
    419,411.04x = 578,844.32 × 247,377.66
  4. Step 4: Simplify right side
    419,411.04x = 143,193,152,149.00
  5. Step 5: Solve for x
    x = 143,193,152,149.00/419,411.04
  6. Step 6: Final answer
    x = 341,414.84

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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.