Home / 718,946.57-992,262.60-428,593.77

Finding the Fourth Proportional to 718,946.57, 992,262.60 and 428,593.77

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Solution

The fourth proportional to 718,946.57, 992,262.60 and 428,593.77 is: 591,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,946.57 : 992,262.60 = 428,593.77 : x
  2. Step 2: Convert to fraction form
    718,946.57/992,262.60 = 428,593.77/x
  3. Step 3: Cross multiply
    718,946.57x = 992,262.60 × 428,593.77
  4. Step 4: Simplify right side
    718,946.57x = 425,277,568,564.00
  5. Step 5: Solve for x
    x = 425,277,568,564.00/718,946.57
  6. Step 6: Final answer
    x = 591,528.76

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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.