Home / 761,108.94-1,141,717.14-305,700.48

Finding the Fourth Proportional to 761,108.94, 1,141,717.14 and 305,700.48

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Solution

The fourth proportional to 761,108.94, 1,141,717.14 and 305,700.48 is: 458,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,108.94 : 1,141,717.14 = 305,700.48 : x
  2. Step 2: Convert to fraction form
    761,108.94/1,141,717.14 = 305,700.48/x
  3. Step 3: Cross multiply
    761,108.94x = 1,141,717.14 × 305,700.48
  4. Step 4: Simplify right side
    761,108.94x = 349,023,477,722.23
  5. Step 5: Solve for x
    x = 349,023,477,722.23/761,108.94
  6. Step 6: Final answer
    x = 458,572.30

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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.