Home / 906,330.87-1,356,539.27-666,381.15

Finding the Fourth Proportional to 906,330.87, 1,356,539.27 and 666,381.15

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Solution

The fourth proportional to 906,330.87, 1,356,539.27 and 666,381.15 is: 997,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,330.87 : 1,356,539.27 = 666,381.15 : x
  2. Step 2: Convert to fraction form
    906,330.87/1,356,539.27 = 666,381.15/x
  3. Step 3: Cross multiply
    906,330.87x = 1,356,539.27 × 666,381.15
  4. Step 4: Simplify right side
    906,330.87x = 903,972,195,430.86
  5. Step 5: Solve for x
    x = 903,972,195,430.86/906,330.87
  6. Step 6: Final answer
    x = 997,397.56

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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.