Home / 761,762.28-1,142,792.77-281,993.76

Finding the Fourth Proportional to 761,762.28, 1,142,792.77 and 281,993.76

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Solution

The fourth proportional to 761,762.28, 1,142,792.77 and 281,993.76 is: 423,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,762.28 : 1,142,792.77 = 281,993.76 : x
  2. Step 2: Convert to fraction form
    761,762.28/1,142,792.77 = 281,993.76/x
  3. Step 3: Cross multiply
    761,762.28x = 1,142,792.77 × 281,993.76
  4. Step 4: Simplify right side
    761,762.28x = 322,260,432,265.11
  5. Step 5: Solve for x
    x = 322,260,432,265.11/761,762.28
  6. Step 6: Final answer
    x = 423,045.93

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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.