Home / 927,305.85-1,390,601.57-328,155.33

Finding the Fourth Proportional to 927,305.85, 1,390,601.57 and 328,155.33

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Solution

The fourth proportional to 927,305.85, 1,390,601.57 and 328,155.33 is: 492,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,305.85 : 1,390,601.57 = 328,155.33 : x
  2. Step 2: Convert to fraction form
    927,305.85/1,390,601.57 = 328,155.33/x
  3. Step 3: Cross multiply
    927,305.85x = 1,390,601.57 × 328,155.33
  4. Step 4: Simplify right side
    927,305.85x = 456,333,315,461.09
  5. Step 5: Solve for x
    x = 456,333,315,461.09/927,305.85
  6. Step 6: Final answer
    x = 492,106.59

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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.