Home / 911,977.32-1,367,965.98-247,129.32

Finding the Fourth Proportional to 911,977.32, 1,367,965.98 and 247,129.32

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Solution

The fourth proportional to 911,977.32, 1,367,965.98 and 247,129.32 is: 370,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,977.32 : 1,367,965.98 = 247,129.32 : x
  2. Step 2: Convert to fraction form
    911,977.32/1,367,965.98 = 247,129.32/x
  3. Step 3: Cross multiply
    911,977.32x = 1,367,965.98 × 247,129.32
  4. Step 4: Simplify right side
    911,977.32x = 338,064,502,420.53
  5. Step 5: Solve for x
    x = 338,064,502,420.53/911,977.32
  6. Step 6: Final answer
    x = 370,693.98

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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.