Home / 830,412.28-1,246,012.08-494,117.28

Finding the Fourth Proportional to 830,412.28, 1,246,012.08 and 494,117.28

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Solution

The fourth proportional to 830,412.28, 1,246,012.08 and 494,117.28 is: 741,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,412.28 : 1,246,012.08 = 494,117.28 : x
  2. Step 2: Convert to fraction form
    830,412.28/1,246,012.08 = 494,117.28/x
  3. Step 3: Cross multiply
    830,412.28x = 1,246,012.08 × 494,117.28
  4. Step 4: Simplify right side
    830,412.28x = 615,676,099,816.74
  5. Step 5: Solve for x
    x = 615,676,099,816.74/830,412.28
  6. Step 6: Final answer
    x = 741,410.16

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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.