Home / 779,690.88-1,075,982.22-457,406.46

Finding the Fourth Proportional to 779,690.88, 1,075,982.22 and 457,406.46

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Solution

The fourth proportional to 779,690.88, 1,075,982.22 and 457,406.46 is: 631,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,690.88 : 1,075,982.22 = 457,406.46 : x
  2. Step 2: Convert to fraction form
    779,690.88/1,075,982.22 = 457,406.46/x
  3. Step 3: Cross multiply
    779,690.88x = 1,075,982.22 × 457,406.46
  4. Step 4: Simplify right side
    779,690.88x = 492,161,218,273.14
  5. Step 5: Solve for x
    x = 492,161,218,273.14/779,690.88
  6. Step 6: Final answer
    x = 631,226.08

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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.