Home / 876,456.32-1,314,881.40-277,453.40

Finding the Fourth Proportional to 876,456.32, 1,314,881.40 and 277,453.40

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Solution

The fourth proportional to 876,456.32, 1,314,881.40 and 277,453.40 is: 416,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,456.32 : 1,314,881.40 = 277,453.40 : x
  2. Step 2: Convert to fraction form
    876,456.32/1,314,881.40 = 277,453.40/x
  3. Step 3: Cross multiply
    876,456.32x = 1,314,881.40 × 277,453.40
  4. Step 4: Simplify right side
    876,456.32x = 364,818,315,026.76
  5. Step 5: Solve for x
    x = 364,818,315,026.76/876,456.32
  6. Step 6: Final answer
    x = 416,242.44

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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.