Home / 666,607.75-1,000,015.91-217,224.31

Finding the Fourth Proportional to 666,607.75, 1,000,015.91 and 217,224.31

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Solution

The fourth proportional to 666,607.75, 1,000,015.91 and 217,224.31 is: 325,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,607.75 : 1,000,015.91 = 217,224.31 : x
  2. Step 2: Convert to fraction form
    666,607.75/1,000,015.91 = 217,224.31/x
  3. Step 3: Cross multiply
    666,607.75x = 1,000,015.91 × 217,224.31
  4. Step 4: Simplify right side
    666,607.75x = 217,227,766,038.77
  5. Step 5: Solve for x
    x = 217,227,766,038.77/666,607.75
  6. Step 6: Final answer
    x = 325,870.45

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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.