Home / 747,064.18-1,114,769.63-666,548.66

Finding the Fourth Proportional to 747,064.18, 1,114,769.63 and 666,548.66

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Solution

The fourth proportional to 747,064.18, 1,114,769.63 and 666,548.66 is: 994,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,064.18 : 1,114,769.63 = 666,548.66 : x
  2. Step 2: Convert to fraction form
    747,064.18/1,114,769.63 = 666,548.66/x
  3. Step 3: Cross multiply
    747,064.18x = 1,114,769.63 × 666,548.66
  4. Step 4: Simplify right side
    747,064.18x = 743,048,203,789.16
  5. Step 5: Solve for x
    x = 743,048,203,789.16/747,064.18
  6. Step 6: Final answer
    x = 994,624.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.