Home / 397,376.20-596,064.30-370,937.80

Finding the Fourth Proportional to 397,376.20, 596,064.30 and 370,937.80

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Solution

The fourth proportional to 397,376.20, 596,064.30 and 370,937.80 is: 556,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,376.20 : 596,064.30 = 370,937.80 : x
  2. Step 2: Convert to fraction form
    397,376.20/596,064.30 = 370,937.80/x
  3. Step 3: Cross multiply
    397,376.20x = 596,064.30 × 370,937.80
  4. Step 4: Simplify right side
    397,376.20x = 221,102,780,100.54
  5. Step 5: Solve for x
    x = 221,102,780,100.54/397,376.20
  6. Step 6: Final answer
    x = 556,406.70

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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.