Home / 814,928.72-1,222,401.36-246,314.40

Finding the Fourth Proportional to 814,928.72, 1,222,401.36 and 246,314.40

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Solution

The fourth proportional to 814,928.72, 1,222,401.36 and 246,314.40 is: 369,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,928.72 : 1,222,401.36 = 246,314.40 : x
  2. Step 2: Convert to fraction form
    814,928.72/1,222,401.36 = 246,314.40/x
  3. Step 3: Cross multiply
    814,928.72x = 1,222,401.36 × 246,314.40
  4. Step 4: Simplify right side
    814,928.72x = 301,095,057,547.58
  5. Step 5: Solve for x
    x = 301,095,057,547.58/814,928.72
  6. Step 6: Final answer
    x = 369,474.10

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1.5x scale

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.