Home / 771,104.42-1,064,157.36-426,940.35

Finding the Fourth Proportional to 771,104.42, 1,064,157.36 and 426,940.35

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Solution

The fourth proportional to 771,104.42, 1,064,157.36 and 426,940.35 is: 589,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,104.42 : 1,064,157.36 = 426,940.35 : x
  2. Step 2: Convert to fraction form
    771,104.42/1,064,157.36 = 426,940.35/x
  3. Step 3: Cross multiply
    771,104.42x = 1,064,157.36 × 426,940.35
  4. Step 4: Simplify right side
    771,104.42x = 454,331,715,733.48
  5. Step 5: Solve for x
    x = 454,331,715,733.48/771,104.42
  6. Step 6: Final answer
    x = 589,196.10

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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.