Home / 779,600.88-1,075,849.22-421,904.88

Finding the Fourth Proportional to 779,600.88, 1,075,849.22 and 421,904.88

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Solution

The fourth proportional to 779,600.88, 1,075,849.22 and 421,904.88 is: 582,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,600.88 : 1,075,849.22 = 421,904.88 : x
  2. Step 2: Convert to fraction form
    779,600.88/1,075,849.22 = 421,904.88/x
  3. Step 3: Cross multiply
    779,600.88x = 1,075,849.22 × 421,904.88
  4. Step 4: Simplify right side
    779,600.88x = 453,906,036,062.19
  5. Step 5: Solve for x
    x = 453,906,036,062.19/779,600.88
  6. Step 6: Final answer
    x = 582,228.74

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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.