Home / 681,920.30-1,020,912.15-603,188.30

Finding the Fourth Proportional to 681,920.30, 1,020,912.15 and 603,188.30

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Solution

The fourth proportional to 681,920.30, 1,020,912.15 and 603,188.30 is: 903,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,920.30 : 1,020,912.15 = 603,188.30 : x
  2. Step 2: Convert to fraction form
    681,920.30/1,020,912.15 = 603,188.30/x
  3. Step 3: Cross multiply
    681,920.30x = 1,020,912.15 × 603,188.30
  4. Step 4: Simplify right side
    681,920.30x = 615,802,264,207.85
  5. Step 5: Solve for x
    x = 615,802,264,207.85/681,920.30
  6. Step 6: Final answer
    x = 903,041.40

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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.