Home / 891,642.88-1,337,565.81-323,291.64

Finding the Fourth Proportional to 891,642.88, 1,337,565.81 and 323,291.64

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Solution

The fourth proportional to 891,642.88, 1,337,565.81 and 323,291.64 is: 484,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,642.88 : 1,337,565.81 = 323,291.64 : x
  2. Step 2: Convert to fraction form
    891,642.88/1,337,565.81 = 323,291.64/x
  3. Step 3: Cross multiply
    891,642.88x = 1,337,565.81 × 323,291.64
  4. Step 4: Simplify right side
    891,642.88x = 432,423,844,322.83
  5. Step 5: Solve for x
    x = 432,423,844,322.83/891,642.88
  6. Step 6: Final answer
    x = 484,974.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.