Home / 905,465.92-1,357,354.72-306,007.92

Finding the Fourth Proportional to 905,465.92, 1,357,354.72 and 306,007.92

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Solution

The fourth proportional to 905,465.92, 1,357,354.72 and 306,007.92 is: 458,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,465.92 : 1,357,354.72 = 306,007.92 : x
  2. Step 2: Convert to fraction form
    905,465.92/1,357,354.72 = 306,007.92/x
  3. Step 3: Cross multiply
    905,465.92x = 1,357,354.72 × 306,007.92
  4. Step 4: Simplify right side
    905,465.92x = 415,361,294,569.38
  5. Step 5: Solve for x
    x = 415,361,294,569.38/905,465.92
  6. Step 6: Final answer
    x = 458,726.59

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1.5x scale

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.