Home / 801,700.98-1,106,347.10-439,147.41

Finding the Fourth Proportional to 801,700.98, 1,106,347.10 and 439,147.41

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Solution

The fourth proportional to 801,700.98, 1,106,347.10 and 439,147.41 is: 606,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,700.98 : 1,106,347.10 = 439,147.41 : x
  2. Step 2: Convert to fraction form
    801,700.98/1,106,347.10 = 439,147.41/x
  3. Step 3: Cross multiply
    801,700.98x = 1,106,347.10 × 439,147.41
  4. Step 4: Simplify right side
    801,700.98x = 485,849,463,526.01
  5. Step 5: Solve for x
    x = 485,849,463,526.01/801,700.98
  6. Step 6: Final answer
    x = 606,023.29

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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.