Home / 789,902.15-1,090,060.47-427,324.95

Finding the Fourth Proportional to 789,902.15, 1,090,060.47 and 427,324.95

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Solution

The fourth proportional to 789,902.15, 1,090,060.47 and 427,324.95 is: 589,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,902.15 : 1,090,060.47 = 427,324.95 : x
  2. Step 2: Convert to fraction form
    789,902.15/1,090,060.47 = 427,324.95/x
  3. Step 3: Cross multiply
    789,902.15x = 1,090,060.47 × 427,324.95
  4. Step 4: Simplify right side
    789,902.15x = 465,810,035,839.73
  5. Step 5: Solve for x
    x = 465,810,035,839.73/789,902.15
  6. Step 6: Final answer
    x = 589,706.00

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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.