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Finding the Fourth Proportional to 666,283.08, 999,359.82 and 366,665.16

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Solution

The fourth proportional to 666,283.08, 999,359.82 and 366,665.16 is: 549,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,283.08 : 999,359.82 = 366,665.16 : x
  2. Step 2: Convert to fraction form
    666,283.08/999,359.82 = 366,665.16/x
  3. Step 3: Cross multiply
    666,283.08x = 999,359.82 × 366,665.16
  4. Step 4: Simplify right side
    666,283.08x = 366,430,428,297.87
  5. Step 5: Solve for x
    x = 366,430,428,297.87/666,283.08
  6. Step 6: Final answer
    x = 549,962.08

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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.