Home / 771,100.98-1,064,152.60-426,936.90

Finding the Fourth Proportional to 771,100.98, 1,064,152.60 and 426,936.90

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Solution

The fourth proportional to 771,100.98, 1,064,152.60 and 426,936.90 is: 589,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,100.98 : 1,064,152.60 = 426,936.90 : x
  2. Step 2: Convert to fraction form
    771,100.98/1,064,152.60 = 426,936.90/x
  3. Step 3: Cross multiply
    771,100.98x = 1,064,152.60 × 426,936.90
  4. Step 4: Simplify right side
    771,100.98x = 454,326,007,113.03
  5. Step 5: Solve for x
    x = 454,326,007,113.03/771,100.98
  6. Step 6: Final answer
    x = 589,191.32

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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.