Home / 682,496.20-1,024,521.90-402,171.40

Finding the Fourth Proportional to 682,496.20, 1,024,521.90 and 402,171.40

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Solution

The fourth proportional to 682,496.20, 1,024,521.90 and 402,171.40 is: 603,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,496.20 : 1,024,521.90 = 402,171.40 : x
  2. Step 2: Convert to fraction form
    682,496.20/1,024,521.90 = 402,171.40/x
  3. Step 3: Cross multiply
    682,496.20x = 1,024,521.90 × 402,171.40
  4. Step 4: Simplify right side
    682,496.20x = 412,033,406,853.66
  5. Step 5: Solve for x
    x = 412,033,406,853.66/682,496.20
  6. Step 6: Final answer
    x = 603,715.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.