Home / 687,332.70-1,030,999.05-598,759.20

Finding the Fourth Proportional to 687,332.70, 1,030,999.05 and 598,759.20

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Solution

The fourth proportional to 687,332.70, 1,030,999.05 and 598,759.20 is: 898,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,332.70 : 1,030,999.05 = 598,759.20 : x
  2. Step 2: Convert to fraction form
    687,332.70/1,030,999.05 = 598,759.20/x
  3. Step 3: Cross multiply
    687,332.70x = 1,030,999.05 × 598,759.20
  4. Step 4: Simplify right side
    687,332.70x = 617,320,166,378.76
  5. Step 5: Solve for x
    x = 617,320,166,378.76/687,332.70
  6. Step 6: Final answer
    x = 898,138.80

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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.