Home / 488,510.58-674,151.60-284,556.24

Finding the Fourth Proportional to 488,510.58, 674,151.60 and 284,556.24

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Solution

The fourth proportional to 488,510.58, 674,151.60 and 284,556.24 is: 392,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,510.58 : 674,151.60 = 284,556.24 : x
  2. Step 2: Convert to fraction form
    488,510.58/674,151.60 = 284,556.24/x
  3. Step 3: Cross multiply
    488,510.58x = 674,151.60 × 284,556.24
  4. Step 4: Simplify right side
    488,510.58x = 191,834,044,485.98
  5. Step 5: Solve for x
    x = 191,834,044,485.98/488,510.58
  6. Step 6: Final answer
    x = 392,691.69

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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.