Home / 666,901.08-1,000,352.23-312,164.21

Finding the Fourth Proportional to 666,901.08, 1,000,352.23 and 312,164.21

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Solution

The fourth proportional to 666,901.08, 1,000,352.23 and 312,164.21 is: 468,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,901.08 : 1,000,352.23 = 312,164.21 : x
  2. Step 2: Convert to fraction form
    666,901.08/1,000,352.23 = 312,164.21/x
  3. Step 3: Cross multiply
    666,901.08x = 1,000,352.23 × 312,164.21
  4. Step 4: Simplify right side
    666,901.08x = 312,274,165,320.16
  5. Step 5: Solve for x
    x = 312,274,165,320.16/666,901.08
  6. Step 6: Final answer
    x = 468,246.60

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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.