Home / 929,680.74-1,282,905.50-521,744.48

Finding the Fourth Proportional to 929,680.74, 1,282,905.50 and 521,744.48

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Solution

The fourth proportional to 929,680.74, 1,282,905.50 and 521,744.48 is: 719,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,680.74 : 1,282,905.50 = 521,744.48 : x
  2. Step 2: Convert to fraction form
    929,680.74/1,282,905.50 = 521,744.48/x
  3. Step 3: Cross multiply
    929,680.74x = 1,282,905.50 × 521,744.48
  4. Step 4: Simplify right side
    929,680.74x = 669,348,862,986.64
  5. Step 5: Solve for x
    x = 669,348,862,986.64/929,680.74
  6. Step 6: Final answer
    x = 719,977.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.