Home / 803,396.32-1,108,721.56-481,044.81

Finding the Fourth Proportional to 803,396.32, 1,108,721.56 and 481,044.81

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Solution

The fourth proportional to 803,396.32, 1,108,721.56 and 481,044.81 is: 663,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,396.32 : 1,108,721.56 = 481,044.81 : x
  2. Step 2: Convert to fraction form
    803,396.32/1,108,721.56 = 481,044.81/x
  3. Step 3: Cross multiply
    803,396.32x = 1,108,721.56 × 481,044.81
  4. Step 4: Simplify right side
    803,396.32x = 533,344,747,832.11
  5. Step 5: Solve for x
    x = 533,344,747,832.11/803,396.32
  6. Step 6: Final answer
    x = 663,862.58

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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.