Home / 964,071.52-1,445,815.28-289,973.84

Finding the Fourth Proportional to 964,071.52, 1,445,815.28 and 289,973.84

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Solution

The fourth proportional to 964,071.52, 1,445,815.28 and 289,973.84 is: 434,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,071.52 : 1,445,815.28 = 289,973.84 : x
  2. Step 2: Convert to fraction form
    964,071.52/1,445,815.28 = 289,973.84/x
  3. Step 3: Cross multiply
    964,071.52x = 1,445,815.28 × 289,973.84
  4. Step 4: Simplify right side
    964,071.52x = 419,248,608,672.28
  5. Step 5: Solve for x
    x = 419,248,608,672.28/964,071.52
  6. Step 6: Final answer
    x = 434,872.93

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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.