Home / 798,642.40-1,102,118.16-436,065.20

Finding the Fourth Proportional to 798,642.40, 1,102,118.16 and 436,065.20

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Solution

The fourth proportional to 798,642.40, 1,102,118.16 and 436,065.20 is: 601,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,642.40 : 1,102,118.16 = 436,065.20 : x
  2. Step 2: Convert to fraction form
    798,642.40/1,102,118.16 = 436,065.20/x
  3. Step 3: Cross multiply
    798,642.40x = 1,102,118.16 × 436,065.20
  4. Step 4: Simplify right side
    798,642.40x = 480,595,375,864.03
  5. Step 5: Solve for x
    x = 480,595,375,864.03/798,642.40
  6. Step 6: Final answer
    x = 601,765.42

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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.