Home / 802,868.29-1,107,973.49-440,270.57

Finding the Fourth Proportional to 802,868.29, 1,107,973.49 and 440,270.57

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Solution

The fourth proportional to 802,868.29, 1,107,973.49 and 440,270.57 is: 607,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,868.29 : 1,107,973.49 = 440,270.57 : x
  2. Step 2: Convert to fraction form
    802,868.29/1,107,973.49 = 440,270.57/x
  3. Step 3: Cross multiply
    802,868.29x = 1,107,973.49 × 440,270.57
  4. Step 4: Simplify right side
    802,868.29x = 487,808,120,555.77
  5. Step 5: Solve for x
    x = 487,808,120,555.77/802,868.29
  6. Step 6: Final answer
    x = 607,581.75

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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.