Home / 672,918.15-1,009,081.95-251,898.78

Finding the Fourth Proportional to 672,918.15, 1,009,081.95 and 251,898.78

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Solution

The fourth proportional to 672,918.15, 1,009,081.95 and 251,898.78 is: 377,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,918.15 : 1,009,081.95 = 251,898.78 : x
  2. Step 2: Convert to fraction form
    672,918.15/1,009,081.95 = 251,898.78/x
  3. Step 3: Cross multiply
    672,918.15x = 1,009,081.95 × 251,898.78
  4. Step 4: Simplify right side
    672,918.15x = 254,186,512,125.02
  5. Step 5: Solve for x
    x = 254,186,512,125.02/672,918.15
  6. Step 6: Final answer
    x = 377,737.64

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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.