Home / 890,988.06-1,229,619.51-488,580.06

Finding the Fourth Proportional to 890,988.06, 1,229,619.51 and 488,580.06

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Solution

The fourth proportional to 890,988.06, 1,229,619.51 and 488,580.06 is: 674,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,988.06 : 1,229,619.51 = 488,580.06 : x
  2. Step 2: Convert to fraction form
    890,988.06/1,229,619.51 = 488,580.06/x
  3. Step 3: Cross multiply
    890,988.06x = 1,229,619.51 × 488,580.06
  4. Step 4: Simplify right side
    890,988.06x = 600,767,573,972.97
  5. Step 5: Solve for x
    x = 600,767,573,972.97/890,988.06
  6. Step 6: Final answer
    x = 674,271.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.