Home / 770,376.52-1,154,618.30-432,707.36

Finding the Fourth Proportional to 770,376.52, 1,154,618.30 and 432,707.36

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Solution

The fourth proportional to 770,376.52, 1,154,618.30 and 432,707.36 is: 648,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,376.52 : 1,154,618.30 = 432,707.36 : x
  2. Step 2: Convert to fraction form
    770,376.52/1,154,618.30 = 432,707.36/x
  3. Step 3: Cross multiply
    770,376.52x = 1,154,618.30 × 432,707.36
  4. Step 4: Simplify right side
    770,376.52x = 499,611,834,237.15
  5. Step 5: Solve for x
    x = 499,611,834,237.15/770,376.52
  6. Step 6: Final answer
    x = 648,529.42

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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.