Home / 905,246.42-1,358,123.84-265,565.25

Finding the Fourth Proportional to 905,246.42, 1,358,123.84 and 265,565.25

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Solution

The fourth proportional to 905,246.42, 1,358,123.84 and 265,565.25 is: 398,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,246.42 : 1,358,123.84 = 265,565.25 : x
  2. Step 2: Convert to fraction form
    905,246.42/1,358,123.84 = 265,565.25/x
  3. Step 3: Cross multiply
    905,246.42x = 1,358,123.84 × 265,565.25
  4. Step 4: Simplify right side
    905,246.42x = 360,670,495,772.73
  5. Step 5: Solve for x
    x = 360,670,495,772.73/905,246.42
  6. Step 6: Final answer
    x = 398,422.45

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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.