Home / 637,206.46-879,337.98-350,720.38

Finding the Fourth Proportional to 637,206.46, 879,337.98 and 350,720.38

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Solution

The fourth proportional to 637,206.46, 879,337.98 and 350,720.38 is: 483,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,206.46 : 879,337.98 = 350,720.38 : x
  2. Step 2: Convert to fraction form
    637,206.46/879,337.98 = 350,720.38/x
  3. Step 3: Cross multiply
    637,206.46x = 879,337.98 × 350,720.38
  4. Step 4: Simplify right side
    637,206.46x = 308,401,750,494.03
  5. Step 5: Solve for x
    x = 308,401,750,494.03/637,206.46
  6. Step 6: Final answer
    x = 483,990.31

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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.