Home / 879,373.70-1,319,083.25-239,682.68

Finding the Fourth Proportional to 879,373.70, 1,319,083.25 and 239,682.68

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Solution

The fourth proportional to 879,373.70, 1,319,083.25 and 239,682.68 is: 359,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,373.70 : 1,319,083.25 = 239,682.68 : x
  2. Step 2: Convert to fraction form
    879,373.70/1,319,083.25 = 239,682.68/x
  3. Step 3: Cross multiply
    879,373.70x = 1,319,083.25 × 239,682.68
  4. Step 4: Simplify right side
    879,373.70x = 316,161,402,506.90
  5. Step 5: Solve for x
    x = 316,161,402,506.90/879,373.70
  6. Step 6: Final answer
    x = 359,530.20

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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.