Home / 849,308.72-1,267,158.94-677,731.28

Finding the Fourth Proportional to 849,308.72, 1,267,158.94 and 677,731.28

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Solution

The fourth proportional to 849,308.72, 1,267,158.94 and 677,731.28 is: 1,011,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,308.72 : 1,267,158.94 = 677,731.28 : x
  2. Step 2: Convert to fraction form
    849,308.72/1,267,158.94 = 677,731.28/x
  3. Step 3: Cross multiply
    849,308.72x = 1,267,158.94 × 677,731.28
  4. Step 4: Simplify right side
    849,308.72x = 858,793,250,369.64
  5. Step 5: Solve for x
    x = 858,793,250,369.64/849,308.72
  6. Step 6: Final answer
    x = 1,011,167.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.