Home / 813,457.04-1,122,637.92-450,994.58

Finding the Fourth Proportional to 813,457.04, 1,122,637.92 and 450,994.58

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Solution

The fourth proportional to 813,457.04, 1,122,637.92 and 450,994.58 is: 622,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,457.04 : 1,122,637.92 = 450,994.58 : x
  2. Step 2: Convert to fraction form
    813,457.04/1,122,637.92 = 450,994.58/x
  3. Step 3: Cross multiply
    813,457.04x = 1,122,637.92 × 450,994.58
  4. Step 4: Simplify right side
    813,457.04x = 506,303,617,222.47
  5. Step 5: Solve for x
    x = 506,303,617,222.47/813,457.04
  6. Step 6: Final answer
    x = 622,409.78

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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.