Home / 767,172.39-1,059,151.53-682,053.96

Finding the Fourth Proportional to 767,172.39, 1,059,151.53 and 682,053.96

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Solution

The fourth proportional to 767,172.39, 1,059,151.53 and 682,053.96 is: 941,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,172.39 : 1,059,151.53 = 682,053.96 : x
  2. Step 2: Convert to fraction form
    767,172.39/1,059,151.53 = 682,053.96/x
  3. Step 3: Cross multiply
    767,172.39x = 1,059,151.53 × 682,053.96
  4. Step 4: Simplify right side
    767,172.39x = 722,398,495,276.56
  5. Step 5: Solve for x
    x = 722,398,495,276.56/767,172.39
  6. Step 6: Final answer
    x = 941,637.77

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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.