Home / 876,454.32-1,314,878.40-277,451.40

Finding the Fourth Proportional to 876,454.32, 1,314,878.40 and 277,451.40

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Solution

The fourth proportional to 876,454.32, 1,314,878.40 and 277,451.40 is: 416,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,454.32 : 1,314,878.40 = 277,451.40 : x
  2. Step 2: Convert to fraction form
    876,454.32/1,314,878.40 = 277,451.40/x
  3. Step 3: Cross multiply
    876,454.32x = 1,314,878.40 × 277,451.40
  4. Step 4: Simplify right side
    876,454.32x = 364,814,852,909.76
  5. Step 5: Solve for x
    x = 364,814,852,909.76/876,454.32
  6. Step 6: Final answer
    x = 416,239.44

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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.