Home / 921,308.25-1,270,728.63-610,649.04

Finding the Fourth Proportional to 921,308.25, 1,270,728.63 and 610,649.04

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Solution

The fourth proportional to 921,308.25, 1,270,728.63 and 610,649.04 is: 842,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,308.25 : 1,270,728.63 = 610,649.04 : x
  2. Step 2: Convert to fraction form
    921,308.25/1,270,728.63 = 610,649.04/x
  3. Step 3: Cross multiply
    921,308.25x = 1,270,728.63 × 610,649.04
  4. Step 4: Simplify right side
    921,308.25x = 775,969,218,010.02
  5. Step 5: Solve for x
    x = 775,969,218,010.02/921,308.25
  6. Step 6: Final answer
    x = 842,247.12

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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.