Home / 744,697.87-1,117,083.71-212,297.32

Finding the Fourth Proportional to 744,697.87, 1,117,083.71 and 212,297.32

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Solution

The fourth proportional to 744,697.87, 1,117,083.71 and 212,297.32 is: 318,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,697.87 : 1,117,083.71 = 212,297.32 : x
  2. Step 2: Convert to fraction form
    744,697.87/1,117,083.71 = 212,297.32/x
  3. Step 3: Cross multiply
    744,697.87x = 1,117,083.71 × 212,297.32
  4. Step 4: Simplify right side
    744,697.87x = 237,153,877,848.66
  5. Step 5: Solve for x
    x = 237,153,877,848.66/744,697.87
  6. Step 6: Final answer
    x = 318,456.50

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Double scale
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1.5x scale

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.