Home / 849,733.21-1,172,646.74-462,559.75

Finding the Fourth Proportional to 849,733.21, 1,172,646.74 and 462,559.75

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Solution

The fourth proportional to 849,733.21, 1,172,646.74 and 462,559.75 is: 638,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,733.21 : 1,172,646.74 = 462,559.75 : x
  2. Step 2: Convert to fraction form
    849,733.21/1,172,646.74 = 462,559.75/x
  3. Step 3: Cross multiply
    849,733.21x = 1,172,646.74 × 462,559.75
  4. Step 4: Simplify right side
    849,733.21x = 542,419,182,892.72
  5. Step 5: Solve for x
    x = 542,419,182,892.72/849,733.21
  6. Step 6: Final answer
    x = 638,340.57

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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.