Home / 803,510.07-1,108,860.62-440,912.76

Finding the Fourth Proportional to 803,510.07, 1,108,860.62 and 440,912.76

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Solution

The fourth proportional to 803,510.07, 1,108,860.62 and 440,912.76 is: 608,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,510.07 : 1,108,860.62 = 440,912.76 : x
  2. Step 2: Convert to fraction form
    803,510.07/1,108,860.62 = 440,912.76/x
  3. Step 3: Cross multiply
    803,510.07x = 1,108,860.62 × 440,912.76
  4. Step 4: Simplify right side
    803,510.07x = 488,910,794,214.95
  5. Step 5: Solve for x
    x = 488,910,794,214.95/803,510.07
  6. Step 6: Final answer
    x = 608,468.78

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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.