Home / 628,680.88-943,012.08-155,366.24

Finding the Fourth Proportional to 628,680.88, 943,012.08 and 155,366.24

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Solution

The fourth proportional to 628,680.88, 943,012.08 and 155,366.24 is: 233,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,680.88 : 943,012.08 = 155,366.24 : x
  2. Step 2: Convert to fraction form
    628,680.88/943,012.08 = 155,366.24/x
  3. Step 3: Cross multiply
    628,680.88x = 943,012.08 × 155,366.24
  4. Step 4: Simplify right side
    628,680.88x = 146,512,241,144.18
  5. Step 5: Solve for x
    x = 146,512,241,144.18/628,680.88
  6. Step 6: Final answer
    x = 233,047.08

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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.