Home / 397,386.20-596,079.30-370,947.80

Finding the Fourth Proportional to 397,386.20, 596,079.30 and 370,947.80

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Solution

The fourth proportional to 397,386.20, 596,079.30 and 370,947.80 is: 556,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,386.20 : 596,079.30 = 370,947.80 : x
  2. Step 2: Convert to fraction form
    397,386.20/596,079.30 = 370,947.80/x
  3. Step 3: Cross multiply
    397,386.20x = 596,079.30 × 370,947.80
  4. Step 4: Simplify right side
    397,386.20x = 221,114,304,960.54
  5. Step 5: Solve for x
    x = 221,114,304,960.54/397,386.20
  6. Step 6: Final answer
    x = 556,421.70

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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.