Home / 879,150.23-1,318,752.74-302,767.59

Finding the Fourth Proportional to 879,150.23, 1,318,752.74 and 302,767.59

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Solution

The fourth proportional to 879,150.23, 1,318,752.74 and 302,767.59 is: 454,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,150.23 : 1,318,752.74 = 302,767.59 : x
  2. Step 2: Convert to fraction form
    879,150.23/1,318,752.74 = 302,767.59/x
  3. Step 3: Cross multiply
    879,150.23x = 1,318,752.74 × 302,767.59
  4. Step 4: Simplify right side
    879,150.23x = 399,275,587,381.86
  5. Step 5: Solve for x
    x = 399,275,587,381.86/879,150.23
  6. Step 6: Final answer
    x = 454,160.82

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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.