Home / 820,244.11-1,131,946.84-476,159.76

Finding the Fourth Proportional to 820,244.11, 1,131,946.84 and 476,159.76

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Solution

The fourth proportional to 820,244.11, 1,131,946.84 and 476,159.76 is: 657,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,244.11 : 1,131,946.84 = 476,159.76 : x
  2. Step 2: Convert to fraction form
    820,244.11/1,131,946.84 = 476,159.76/x
  3. Step 3: Cross multiply
    820,244.11x = 1,131,946.84 × 476,159.76
  4. Step 4: Simplify right side
    820,244.11x = 538,987,535,667.16
  5. Step 5: Solve for x
    x = 538,987,535,667.16/820,244.11
  6. Step 6: Final answer
    x = 657,106.26

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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.