Home / 879,327.96-1,318,105.80-346,642.80

Finding the Fourth Proportional to 879,327.96, 1,318,105.80 and 346,642.80

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Solution

The fourth proportional to 879,327.96, 1,318,105.80 and 346,642.80 is: 519,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,327.96 : 1,318,105.80 = 346,642.80 : x
  2. Step 2: Convert to fraction form
    879,327.96/1,318,105.80 = 346,642.80/x
  3. Step 3: Cross multiply
    879,327.96x = 1,318,105.80 × 346,642.80
  4. Step 4: Simplify right side
    879,327.96x = 456,911,885,208.24
  5. Step 5: Solve for x
    x = 456,911,885,208.24/879,327.96
  6. Step 6: Final answer
    x = 519,614.87

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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.