Home / 830,621.92-1,244,123.18-545,991.16

Finding the Fourth Proportional to 830,621.92, 1,244,123.18 and 545,991.16

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Solution

The fourth proportional to 830,621.92, 1,244,123.18 and 545,991.16 is: 817,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,621.92 : 1,244,123.18 = 545,991.16 : x
  2. Step 2: Convert to fraction form
    830,621.92/1,244,123.18 = 545,991.16/x
  3. Step 3: Cross multiply
    830,621.92x = 1,244,123.18 × 545,991.16
  4. Step 4: Simplify right side
    830,621.92x = 679,280,258,231.09
  5. Step 5: Solve for x
    x = 679,280,258,231.09/830,621.92
  6. Step 6: Final answer
    x = 817,797.17

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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.