Home / 761,369.88-1,141,612.14-288,091.80

Finding the Fourth Proportional to 761,369.88, 1,141,612.14 and 288,091.80

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Solution

The fourth proportional to 761,369.88, 1,141,612.14 and 288,091.80 is: 431,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,369.88 : 1,141,612.14 = 288,091.80 : x
  2. Step 2: Convert to fraction form
    761,369.88/1,141,612.14 = 288,091.80/x
  3. Step 3: Cross multiply
    761,369.88x = 1,141,612.14 × 288,091.80
  4. Step 4: Simplify right side
    761,369.88x = 328,889,096,314.45
  5. Step 5: Solve for x
    x = 328,889,096,314.45/761,369.88
  6. Step 6: Final answer
    x = 431,970.20

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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.