Home / 859,995.90-1,289,993.85-544,808.70

Finding the Fourth Proportional to 859,995.90, 1,289,993.85 and 544,808.70

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Solution

The fourth proportional to 859,995.90, 1,289,993.85 and 544,808.70 is: 817,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,995.90 : 1,289,993.85 = 544,808.70 : x
  2. Step 2: Convert to fraction form
    859,995.90/1,289,993.85 = 544,808.70/x
  3. Step 3: Cross multiply
    859,995.90x = 1,289,993.85 × 544,808.70
  4. Step 4: Simplify right side
    859,995.90x = 702,799,872,426.50
  5. Step 5: Solve for x
    x = 702,799,872,426.50/859,995.90
  6. Step 6: Final answer
    x = 817,213.05

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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.