Home / 859,235.18-1,289,352.33-353,847.02

Finding the Fourth Proportional to 859,235.18, 1,289,352.33 and 353,847.02

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Solution

The fourth proportional to 859,235.18, 1,289,352.33 and 353,847.02 is: 530,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,235.18 : 1,289,352.33 = 353,847.02 : x
  2. Step 2: Convert to fraction form
    859,235.18/1,289,352.33 = 353,847.02/x
  3. Step 3: Cross multiply
    859,235.18x = 1,289,352.33 × 353,847.02
  4. Step 4: Simplify right side
    859,235.18x = 456,233,473,253.80
  5. Step 5: Solve for x
    x = 456,233,473,253.80/859,235.18
  6. Step 6: Final answer
    x = 530,976.25

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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.