Home / 617,835.24-926,888.70-351,720.36

Finding the Fourth Proportional to 617,835.24, 926,888.70 and 351,720.36

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Solution

The fourth proportional to 617,835.24, 926,888.70 and 351,720.36 is: 527,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,835.24 : 926,888.70 = 351,720.36 : x
  2. Step 2: Convert to fraction form
    617,835.24/926,888.70 = 351,720.36/x
  3. Step 3: Cross multiply
    617,835.24x = 926,888.70 × 351,720.36
  4. Step 4: Simplify right side
    617,835.24x = 326,005,627,243.93
  5. Step 5: Solve for x
    x = 326,005,627,243.93/617,835.24
  6. Step 6: Final answer
    x = 527,657.87

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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.