Home / 798,748.80-1,101,650.24-512,290.72

Finding the Fourth Proportional to 798,748.80, 1,101,650.24 and 512,290.72

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Solution

The fourth proportional to 798,748.80, 1,101,650.24 and 512,290.72 is: 706,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,748.80 : 1,101,650.24 = 512,290.72 : x
  2. Step 2: Convert to fraction form
    798,748.80/1,101,650.24 = 512,290.72/x
  3. Step 3: Cross multiply
    798,748.80x = 1,101,650.24 × 512,290.72
  4. Step 4: Simplify right side
    798,748.80x = 564,365,194,637.77
  5. Step 5: Solve for x
    x = 564,365,194,637.77/798,748.80
  6. Step 6: Final answer
    x = 706,561.56

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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.