Home / 851,571.11-1,275,281.65-563,207.07

Finding the Fourth Proportional to 851,571.11, 1,275,281.65 and 563,207.07

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Solution

The fourth proportional to 851,571.11, 1,275,281.65 and 563,207.07 is: 843,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,571.11 : 1,275,281.65 = 563,207.07 : x
  2. Step 2: Convert to fraction form
    851,571.11/1,275,281.65 = 563,207.07/x
  3. Step 3: Cross multiply
    851,571.11x = 1,275,281.65 × 563,207.07
  4. Step 4: Simplify right side
    851,571.11x = 718,247,641,521.27
  5. Step 5: Solve for x
    x = 718,247,641,521.27/851,571.11
  6. Step 6: Final answer
    x = 843,438.24

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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.