Home / 872,143.29-1,203,461.37-523,265.18

Finding the Fourth Proportional to 872,143.29, 1,203,461.37 and 523,265.18

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Solution

The fourth proportional to 872,143.29, 1,203,461.37 and 523,265.18 is: 722,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,143.29 : 1,203,461.37 = 523,265.18 : x
  2. Step 2: Convert to fraction form
    872,143.29/1,203,461.37 = 523,265.18/x
  3. Step 3: Cross multiply
    872,143.29x = 1,203,461.37 × 523,265.18
  4. Step 4: Simplify right side
    872,143.29x = 629,729,424,378.79
  5. Step 5: Solve for x
    x = 629,729,424,378.79/872,143.29
  6. Step 6: Final answer
    x = 722,048.12

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Double scale
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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.