Home / 677,417.27-934,848.70-371,475.45

Finding the Fourth Proportional to 677,417.27, 934,848.70 and 371,475.45

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Solution

The fourth proportional to 677,417.27, 934,848.70 and 371,475.45 is: 512,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,417.27 : 934,848.70 = 371,475.45 : x
  2. Step 2: Convert to fraction form
    677,417.27/934,848.70 = 371,475.45/x
  3. Step 3: Cross multiply
    677,417.27x = 934,848.70 × 371,475.45
  4. Step 4: Simplify right side
    677,417.27x = 347,273,338,874.97
  5. Step 5: Solve for x
    x = 347,273,338,874.97/677,417.27
  6. Step 6: Final answer
    x = 512,643.17

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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.