Home / 830,411.28-1,246,010.58-494,116.28

Finding the Fourth Proportional to 830,411.28, 1,246,010.58 and 494,116.28

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Solution

The fourth proportional to 830,411.28, 1,246,010.58 and 494,116.28 is: 741,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,411.28 : 1,246,010.58 = 494,116.28 : x
  2. Step 2: Convert to fraction form
    830,411.28/1,246,010.58 = 494,116.28/x
  3. Step 3: Cross multiply
    830,411.28x = 1,246,010.58 × 494,116.28
  4. Step 4: Simplify right side
    830,411.28x = 615,674,112,630.24
  5. Step 5: Solve for x
    x = 615,674,112,630.24/830,411.28
  6. Step 6: Final answer
    x = 741,408.66

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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.