Home / 839,269.74-1,258,008.18-478,664.22

Finding the Fourth Proportional to 839,269.74, 1,258,008.18 and 478,664.22

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Solution

The fourth proportional to 839,269.74, 1,258,008.18 and 478,664.22 is: 717,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,269.74 : 1,258,008.18 = 478,664.22 : x
  2. Step 2: Convert to fraction form
    839,269.74/1,258,008.18 = 478,664.22/x
  3. Step 3: Cross multiply
    839,269.74x = 1,258,008.18 × 478,664.22
  4. Step 4: Simplify right side
    839,269.74x = 602,163,504,233.32
  5. Step 5: Solve for x
    x = 602,163,504,233.32/839,269.74
  6. Step 6: Final answer
    x = 717,485.07

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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.