Home / 761,577.92-1,142,237.82-356,812.28

Finding the Fourth Proportional to 761,577.92, 1,142,237.82 and 356,812.28

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Solution

The fourth proportional to 761,577.92, 1,142,237.82 and 356,812.28 is: 535,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,577.92 : 1,142,237.82 = 356,812.28 : x
  2. Step 2: Convert to fraction form
    761,577.92/1,142,237.82 = 356,812.28/x
  3. Step 3: Cross multiply
    761,577.92x = 1,142,237.82 × 356,812.28
  4. Step 4: Simplify right side
    761,577.92x = 407,564,480,856.43
  5. Step 5: Solve for x
    x = 407,564,480,856.43/761,577.92
  6. Step 6: Final answer
    x = 535,157.95

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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.