Home / 771,674.20-1,064,910.12-427,532.44

Finding the Fourth Proportional to 771,674.20, 1,064,910.12 and 427,532.44

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Solution

The fourth proportional to 771,674.20, 1,064,910.12 and 427,532.44 is: 589,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,674.20 : 1,064,910.12 = 427,532.44 : x
  2. Step 2: Convert to fraction form
    771,674.20/1,064,910.12 = 427,532.44/x
  3. Step 3: Cross multiply
    771,674.20x = 1,064,910.12 × 427,532.44
  4. Step 4: Simplify right side
    771,674.20x = 455,283,621,984.29
  5. Step 5: Solve for x
    x = 455,283,621,984.29/771,674.20
  6. Step 6: Final answer
    x = 589,994.61

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Double scale
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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.