Home / 789,910.15-1,090,071.51-427,332.95

Finding the Fourth Proportional to 789,910.15, 1,090,071.51 and 427,332.95

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Solution

The fourth proportional to 789,910.15, 1,090,071.51 and 427,332.95 is: 589,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,910.15 : 1,090,071.51 = 427,332.95 : x
  2. Step 2: Convert to fraction form
    789,910.15/1,090,071.51 = 427,332.95/x
  3. Step 3: Cross multiply
    789,910.15x = 1,090,071.51 × 427,332.95
  4. Step 4: Simplify right side
    789,910.15x = 465,823,474,079.26
  5. Step 5: Solve for x
    x = 465,823,474,079.26/789,910.15
  6. Step 6: Final answer
    x = 589,717.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.