Home / 628,820.10-943,145.10-250,019.55

Finding the Fourth Proportional to 628,820.10, 943,145.10 and 250,019.55

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Solution

The fourth proportional to 628,820.10, 943,145.10 and 250,019.55 is: 374,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,820.10 : 943,145.10 = 250,019.55 : x
  2. Step 2: Convert to fraction form
    628,820.10/943,145.10 = 250,019.55/x
  3. Step 3: Cross multiply
    628,820.10x = 943,145.10 × 250,019.55
  4. Step 4: Simplify right side
    628,820.10x = 235,804,713,486.71
  5. Step 5: Solve for x
    x = 235,804,713,486.71/628,820.10
  6. Step 6: Final answer
    x = 374,995.51

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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.