Home / 837,742.53-1,156,089.78-455,772.05

Finding the Fourth Proportional to 837,742.53, 1,156,089.78 and 455,772.05

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Solution

The fourth proportional to 837,742.53, 1,156,089.78 and 455,772.05 is: 628,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,742.53 : 1,156,089.78 = 455,772.05 : x
  2. Step 2: Convert to fraction form
    837,742.53/1,156,089.78 = 455,772.05/x
  3. Step 3: Cross multiply
    837,742.53x = 1,156,089.78 × 455,772.05
  4. Step 4: Simplify right side
    837,742.53x = 526,913,407,569.54
  5. Step 5: Solve for x
    x = 526,913,407,569.54/837,742.53
  6. Step 6: Final answer
    x = 628,968.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.