Home / 881,468.90-1,323,429.05-455,319.64

Finding the Fourth Proportional to 881,468.90, 1,323,429.05 and 455,319.64

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Solution

The fourth proportional to 881,468.90, 1,323,429.05 and 455,319.64 is: 683,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,468.90 : 1,323,429.05 = 455,319.64 : x
  2. Step 2: Convert to fraction form
    881,468.90/1,323,429.05 = 455,319.64/x
  3. Step 3: Cross multiply
    881,468.90x = 1,323,429.05 × 455,319.64
  4. Step 4: Simplify right side
    881,468.90x = 602,583,238,611.54
  5. Step 5: Solve for x
    x = 602,583,238,611.54/881,468.90
  6. Step 6: Final answer
    x = 683,612.59

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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.