Home / 771,418.23-1,064,476.12-427,245.14

Finding the Fourth Proportional to 771,418.23, 1,064,476.12 and 427,245.14

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Solution

The fourth proportional to 771,418.23, 1,064,476.12 and 427,245.14 is: 589,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,418.23 : 1,064,476.12 = 427,245.14 : x
  2. Step 2: Convert to fraction form
    771,418.23/1,064,476.12 = 427,245.14/x
  3. Step 3: Cross multiply
    771,418.23x = 1,064,476.12 × 427,245.14
  4. Step 4: Simplify right side
    771,418.23x = 454,792,252,206.35
  5. Step 5: Solve for x
    x = 454,792,252,206.35/771,418.23
  6. Step 6: Final answer
    x = 589,553.41

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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.