Home / 650,220.12-897,262.46-355,810.14

Finding the Fourth Proportional to 650,220.12, 897,262.46 and 355,810.14

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Solution

The fourth proportional to 650,220.12, 897,262.46 and 355,810.14 is: 490,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,220.12 : 897,262.46 = 355,810.14 : x
  2. Step 2: Convert to fraction form
    650,220.12/897,262.46 = 355,810.14/x
  3. Step 3: Cross multiply
    650,220.12x = 897,262.46 × 355,810.14
  4. Step 4: Simplify right side
    650,220.12x = 319,255,079,730.29
  5. Step 5: Solve for x
    x = 319,255,079,730.29/650,220.12
  6. Step 6: Final answer
    x = 490,995.39

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1.5x scale

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.