Home / 645,114.42-965,565.96-474,290.90

Finding the Fourth Proportional to 645,114.42, 965,565.96 and 474,290.90

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Solution

The fourth proportional to 645,114.42, 965,565.96 and 474,290.90 is: 709,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,114.42 : 965,565.96 = 474,290.90 : x
  2. Step 2: Convert to fraction form
    645,114.42/965,565.96 = 474,290.90/x
  3. Step 3: Cross multiply
    645,114.42x = 965,565.96 × 474,290.90
  4. Step 4: Simplify right side
    645,114.42x = 457,959,143,349.93
  5. Step 5: Solve for x
    x = 457,959,143,349.93/645,114.42
  6. Step 6: Final answer
    x = 709,888.24

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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.