Home / 813,330.03-1,220,285.43-494,133.06

Finding the Fourth Proportional to 813,330.03, 1,220,285.43 and 494,133.06

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Solution

The fourth proportional to 813,330.03, 1,220,285.43 and 494,133.06 is: 741,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,330.03 : 1,220,285.43 = 494,133.06 : x
  2. Step 2: Convert to fraction form
    813,330.03/1,220,285.43 = 494,133.06/x
  3. Step 3: Cross multiply
    813,330.03x = 1,220,285.43 × 494,133.06
  4. Step 4: Simplify right side
    813,330.03x = 602,983,373,599.32
  5. Step 5: Solve for x
    x = 602,983,373,599.32/813,330.03
  6. Step 6: Final answer
    x = 741,376.01

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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.