Home / 849,306.72-1,267,155.96-677,729.28

Finding the Fourth Proportional to 849,306.72, 1,267,155.96 and 677,729.28

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Solution

The fourth proportional to 849,306.72, 1,267,155.96 and 677,729.28 is: 1,011,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,306.72 : 1,267,155.96 = 677,729.28 : x
  2. Step 2: Convert to fraction form
    849,306.72/1,267,155.96 = 677,729.28/x
  3. Step 3: Cross multiply
    849,306.72x = 1,267,155.96 × 677,729.28
  4. Step 4: Simplify right side
    849,306.72x = 858,788,696,418.51
  5. Step 5: Solve for x
    x = 858,788,696,418.51/849,306.72
  6. Step 6: Final answer
    x = 1,011,164.37

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1.5x scale

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.