Home / 435,400.80-652,226.40-302,431.20

Finding the Fourth Proportional to 435,400.80, 652,226.40 and 302,431.20

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Solution

The fourth proportional to 435,400.80, 652,226.40 and 302,431.20 is: 453,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,400.80 : 652,226.40 = 302,431.20 : x
  2. Step 2: Convert to fraction form
    435,400.80/652,226.40 = 302,431.20/x
  3. Step 3: Cross multiply
    435,400.80x = 652,226.40 × 302,431.20
  4. Step 4: Simplify right side
    435,400.80x = 197,253,612,823.68
  5. Step 5: Solve for x
    x = 197,253,612,823.68/435,400.80
  6. Step 6: Final answer
    x = 453,039.16

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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.