Home / 942,839.40-1,301,093.36-513,110.30

Finding the Fourth Proportional to 942,839.40, 1,301,093.36 and 513,110.30

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Solution

The fourth proportional to 942,839.40, 1,301,093.36 and 513,110.30 is: 708,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,839.40 : 1,301,093.36 = 513,110.30 : x
  2. Step 2: Convert to fraction form
    942,839.40/1,301,093.36 = 513,110.30/x
  3. Step 3: Cross multiply
    942,839.40x = 1,301,093.36 × 513,110.30
  4. Step 4: Simplify right side
    942,839.40x = 667,604,404,277.61
  5. Step 5: Solve for x
    x = 667,604,404,277.61/942,839.40
  6. Step 6: Final answer
    x = 708,078.60

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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.