Home / 662,025.26-992,943.12-212,688.30

Finding the Fourth Proportional to 662,025.26, 992,943.12 and 212,688.30

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Solution

The fourth proportional to 662,025.26, 992,943.12 and 212,688.30 is: 319,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,025.26 : 992,943.12 = 212,688.30 : x
  2. Step 2: Convert to fraction form
    662,025.26/992,943.12 = 212,688.30/x
  3. Step 3: Cross multiply
    662,025.26x = 992,943.12 × 212,688.30
  4. Step 4: Simplify right side
    662,025.26x = 211,187,384,189.50
  5. Step 5: Solve for x
    x = 211,187,384,189.50/662,025.26
  6. Step 6: Final answer
    x = 319,002.00

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Double scale
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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.