Home / 771,677.20-1,064,914.26-427,535.44

Finding the Fourth Proportional to 771,677.20, 1,064,914.26 and 427,535.44

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Solution

The fourth proportional to 771,677.20, 1,064,914.26 and 427,535.44 is: 589,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,677.20 : 1,064,914.26 = 427,535.44 : x
  2. Step 2: Convert to fraction form
    771,677.20/1,064,914.26 = 427,535.44/x
  3. Step 3: Cross multiply
    771,677.20x = 1,064,914.26 × 427,535.44
  4. Step 4: Simplify right side
    771,677.20x = 455,288,586,711.37
  5. Step 5: Solve for x
    x = 455,288,586,711.37/771,677.20
  6. Step 6: Final answer
    x = 589,998.75

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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.