Home / 763,799.28-1,143,954.66-364,720.98

Finding the Fourth Proportional to 763,799.28, 1,143,954.66 and 364,720.98

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Solution

The fourth proportional to 763,799.28, 1,143,954.66 and 364,720.98 is: 546,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,799.28 : 1,143,954.66 = 364,720.98 : x
  2. Step 2: Convert to fraction form
    763,799.28/1,143,954.66 = 364,720.98/x
  3. Step 3: Cross multiply
    763,799.28x = 1,143,954.66 × 364,720.98
  4. Step 4: Simplify right side
    763,799.28x = 417,224,264,670.77
  5. Step 5: Solve for x
    x = 417,224,264,670.77/763,799.28
  6. Step 6: Final answer
    x = 546,248.57

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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.