Home / 523,837.27-722,982.41-309,030.13

Finding the Fourth Proportional to 523,837.27, 722,982.41 and 309,030.13

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Solution

The fourth proportional to 523,837.27, 722,982.41 and 309,030.13 is: 426,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,837.27 : 722,982.41 = 309,030.13 : x
  2. Step 2: Convert to fraction form
    523,837.27/722,982.41 = 309,030.13/x
  3. Step 3: Cross multiply
    523,837.27x = 722,982.41 × 309,030.13
  4. Step 4: Simplify right side
    523,837.27x = 223,423,348,150.01
  5. Step 5: Solve for x
    x = 223,423,348,150.01/523,837.27
  6. Step 6: Final answer
    x = 426,512.89

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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.