Home / 906,011.62-1,249,268.82-578,892.45

Finding the Fourth Proportional to 906,011.62, 1,249,268.82 and 578,892.45

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Solution

The fourth proportional to 906,011.62, 1,249,268.82 and 578,892.45 is: 798,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,011.62 : 1,249,268.82 = 578,892.45 : x
  2. Step 2: Convert to fraction form
    906,011.62/1,249,268.82 = 578,892.45/x
  3. Step 3: Cross multiply
    906,011.62x = 1,249,268.82 × 578,892.45
  4. Step 4: Simplify right side
    906,011.62x = 723,192,290,432.32
  5. Step 5: Solve for x
    x = 723,192,290,432.32/906,011.62
  6. Step 6: Final answer
    x = 798,215.25

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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.