Home / 702,987.30-1,054,480.95-675,431.10

Finding the Fourth Proportional to 702,987.30, 1,054,480.95 and 675,431.10

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Solution

The fourth proportional to 702,987.30, 1,054,480.95 and 675,431.10 is: 1,013,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,987.30 : 1,054,480.95 = 675,431.10 : x
  2. Step 2: Convert to fraction form
    702,987.30/1,054,480.95 = 675,431.10/x
  3. Step 3: Cross multiply
    702,987.30x = 1,054,480.95 × 675,431.10
  4. Step 4: Simplify right side
    702,987.30x = 712,229,227,987.55
  5. Step 5: Solve for x
    x = 712,229,227,987.55/702,987.30
  6. Step 6: Final answer
    x = 1,013,146.65

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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.