Home / 803,448.27-1,108,721.34-440,863.11

Finding the Fourth Proportional to 803,448.27, 1,108,721.34 and 440,863.11

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Solution

The fourth proportional to 803,448.27, 1,108,721.34 and 440,863.11 is: 608,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,448.27 : 1,108,721.34 = 440,863.11 : x
  2. Step 2: Convert to fraction form
    803,448.27/1,108,721.34 = 440,863.11/x
  3. Step 3: Cross multiply
    803,448.27x = 1,108,721.34 × 440,863.11
  4. Step 4: Simplify right side
    803,448.27x = 488,794,338,075.77
  5. Step 5: Solve for x
    x = 488,794,338,075.77/803,448.27
  6. Step 6: Final answer
    x = 608,370.64

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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.