Home / 808,220.84-1,115,293.18-445,647.04

Finding the Fourth Proportional to 808,220.84, 1,115,293.18 and 445,647.04

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Solution

The fourth proportional to 808,220.84, 1,115,293.18 and 445,647.04 is: 614,964.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,220.84 : 1,115,293.18 = 445,647.04 : x
  2. Step 2: Convert to fraction form
    808,220.84/1,115,293.18 = 445,647.04/x
  3. Step 3: Cross multiply
    808,220.84x = 1,115,293.18 × 445,647.04
  4. Step 4: Simplify right side
    808,220.84x = 497,027,104,399.19
  5. Step 5: Solve for x
    x = 497,027,104,399.19/808,220.84
  6. Step 6: Final answer
    x = 614,964.47

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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.