Home / 849,350-1,172,151.50-486,834.26

Finding the Fourth Proportional to 849,350, 1,172,151.50 and 486,834.26

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Solution

The fourth proportional to 849,350, 1,172,151.50 and 486,834.26 is: 671,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,350 : 1,172,151.50 = 486,834.26 : x
  2. Step 2: Convert to fraction form
    849,350/1,172,151.50 = 486,834.26/x
  3. Step 3: Cross multiply
    849,350x = 1,172,151.50 × 486,834.26
  4. Step 4: Simplify right side
    849,350x = 570,643,508,110.39
  5. Step 5: Solve for x
    x = 570,643,508,110.39/849,350
  6. Step 6: Final answer
    x = 671,859.08

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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.