Home / 789,010.80-1,183,490.28-315,569.04

Finding the Fourth Proportional to 789,010.80, 1,183,490.28 and 315,569.04

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Solution

The fourth proportional to 789,010.80, 1,183,490.28 and 315,569.04 is: 473,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,010.80 : 1,183,490.28 = 315,569.04 : x
  2. Step 2: Convert to fraction form
    789,010.80/1,183,490.28 = 315,569.04/x
  3. Step 3: Cross multiply
    789,010.80x = 1,183,490.28 × 315,569.04
  4. Step 4: Simplify right side
    789,010.80x = 373,472,891,508.93
  5. Step 5: Solve for x
    x = 373,472,891,508.93/789,010.80
  6. Step 6: Final answer
    x = 473,343.19

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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.