Home / 830,407.16-1,246,004.40-494,112.17

Finding the Fourth Proportional to 830,407.16, 1,246,004.40 and 494,112.17

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Solution

The fourth proportional to 830,407.16, 1,246,004.40 and 494,112.17 is: 741,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,407.16 : 1,246,004.40 = 494,112.17 : x
  2. Step 2: Convert to fraction form
    830,407.16/1,246,004.40 = 494,112.17/x
  3. Step 3: Cross multiply
    830,407.16x = 1,246,004.40 × 494,112.17
  4. Step 4: Simplify right side
    830,407.16x = 615,665,931,683.53
  5. Step 5: Solve for x
    x = 615,665,931,683.53/830,407.16
  6. Step 6: Final answer
    x = 741,402.49

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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.