Home / 666,658.49-1,000,091.63-217,275.10

Finding the Fourth Proportional to 666,658.49, 1,000,091.63 and 217,275.10

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Solution

The fourth proportional to 666,658.49, 1,000,091.63 and 217,275.10 is: 325,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,658.49 : 1,000,091.63 = 217,275.10 : x
  2. Step 2: Convert to fraction form
    666,658.49/1,000,091.63 = 217,275.10/x
  3. Step 3: Cross multiply
    666,658.49x = 1,000,091.63 × 217,275.10
  4. Step 4: Simplify right side
    666,658.49x = 217,295,005,330.81
  5. Step 5: Solve for x
    x = 217,295,005,330.81/666,658.49
  6. Step 6: Final answer
    x = 325,946.50

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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.