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Finding the Fourth Proportional to 666,282.08, 999,358.32 and 366,664.16

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Solution

The fourth proportional to 666,282.08, 999,358.32 and 366,664.16 is: 549,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,282.08 : 999,358.32 = 366,664.16 : x
  2. Step 2: Convert to fraction form
    666,282.08/999,358.32 = 366,664.16/x
  3. Step 3: Cross multiply
    666,282.08x = 999,358.32 × 366,664.16
  4. Step 4: Simplify right side
    666,282.08x = 366,428,878,941.81
  5. Step 5: Solve for x
    x = 366,428,878,941.81/666,282.08
  6. Step 6: Final answer
    x = 549,960.58

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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.