Home / 763,994.81-1,054,345.65-424,463.06

Finding the Fourth Proportional to 763,994.81, 1,054,345.65 and 424,463.06

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Solution

The fourth proportional to 763,994.81, 1,054,345.65 and 424,463.06 is: 585,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,994.81 : 1,054,345.65 = 424,463.06 : x
  2. Step 2: Convert to fraction form
    763,994.81/1,054,345.65 = 424,463.06/x
  3. Step 3: Cross multiply
    763,994.81x = 1,054,345.65 × 424,463.06
  4. Step 4: Simplify right side
    763,994.81x = 447,530,781,940.82
  5. Step 5: Solve for x
    x = 447,530,781,940.82/763,994.81
  6. Step 6: Final answer
    x = 585,777.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.