Home / 806,852.40-1,209,112.20-357,205.20

Finding the Fourth Proportional to 806,852.40, 1,209,112.20 and 357,205.20

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Solution

The fourth proportional to 806,852.40, 1,209,112.20 and 357,205.20 is: 535,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,852.40 : 1,209,112.20 = 357,205.20 : x
  2. Step 2: Convert to fraction form
    806,852.40/1,209,112.20 = 357,205.20/x
  3. Step 3: Cross multiply
    806,852.40x = 1,209,112.20 × 357,205.20
  4. Step 4: Simplify right side
    806,852.40x = 431,901,165,223.44
  5. Step 5: Solve for x
    x = 431,901,165,223.44/806,852.40
  6. Step 6: Final answer
    x = 535,291.42

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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.