Home / 744,361.32-1,114,743.44-423,541.18

Finding the Fourth Proportional to 744,361.32, 1,114,743.44 and 423,541.18

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Solution

The fourth proportional to 744,361.32, 1,114,743.44 and 423,541.18 is: 634,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,361.32 : 1,114,743.44 = 423,541.18 : x
  2. Step 2: Convert to fraction form
    744,361.32/1,114,743.44 = 423,541.18/x
  3. Step 3: Cross multiply
    744,361.32x = 1,114,743.44 × 423,541.18
  4. Step 4: Simplify right side
    744,361.32x = 472,139,750,100.72
  5. Step 5: Solve for x
    x = 472,139,750,100.72/744,361.32
  6. Step 6: Final answer
    x = 634,288.40

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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.