Home / 891,895.86-1,230,809.84-483,987.42

Finding the Fourth Proportional to 891,895.86, 1,230,809.84 and 483,987.42

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Solution

The fourth proportional to 891,895.86, 1,230,809.84 and 483,987.42 is: 667,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,895.86 : 1,230,809.84 = 483,987.42 : x
  2. Step 2: Convert to fraction form
    891,895.86/1,230,809.84 = 483,987.42/x
  3. Step 3: Cross multiply
    891,895.86x = 1,230,809.84 × 483,987.42
  4. Step 4: Simplify right side
    891,895.86x = 595,696,478,972.21
  5. Step 5: Solve for x
    x = 595,696,478,972.21/891,895.86
  6. Step 6: Final answer
    x = 667,899.14

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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.