Home / 922,994.23-1,384,637.73-390,519.25

Finding the Fourth Proportional to 922,994.23, 1,384,637.73 and 390,519.25

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Solution

The fourth proportional to 922,994.23, 1,384,637.73 and 390,519.25 is: 585,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,994.23 : 1,384,637.73 = 390,519.25 : x
  2. Step 2: Convert to fraction form
    922,994.23/1,384,637.73 = 390,519.25/x
  3. Step 3: Cross multiply
    922,994.23x = 1,384,637.73 × 390,519.25
  4. Step 4: Simplify right side
    922,994.23x = 540,727,687,841.30
  5. Step 5: Solve for x
    x = 540,727,687,841.30/922,994.23
  6. Step 6: Final answer
    x = 585,840.81

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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.