Home / 776,662.48-1,071,537.35-454,144.22

Finding the Fourth Proportional to 776,662.48, 1,071,537.35 and 454,144.22

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Solution

The fourth proportional to 776,662.48, 1,071,537.35 and 454,144.22 is: 626,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,662.48 : 1,071,537.35 = 454,144.22 : x
  2. Step 2: Convert to fraction form
    776,662.48/1,071,537.35 = 454,144.22/x
  3. Step 3: Cross multiply
    776,662.48x = 1,071,537.35 × 454,144.22
  4. Step 4: Simplify right side
    776,662.48x = 486,632,494,424.74
  5. Step 5: Solve for x
    x = 486,632,494,424.74/776,662.48
  6. Step 6: Final answer
    x = 626,568.82

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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.