Home / 803,510.82-1,108,861.65-440,913.51

Finding the Fourth Proportional to 803,510.82, 1,108,861.65 and 440,913.51

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Solution

The fourth proportional to 803,510.82, 1,108,861.65 and 440,913.51 is: 608,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,510.82 : 1,108,861.65 = 440,913.51 : x
  2. Step 2: Convert to fraction form
    803,510.82/1,108,861.65 = 440,913.51/x
  3. Step 3: Cross multiply
    803,510.82x = 1,108,861.65 × 440,913.51
  4. Step 4: Simplify right side
    803,510.82x = 488,912,082,205.89
  5. Step 5: Solve for x
    x = 488,912,082,205.89/803,510.82
  6. Step 6: Final answer
    x = 608,469.82

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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.