Home / 817,772.80-1,224,326.40-724,460.80

Finding the Fourth Proportional to 817,772.80, 1,224,326.40 and 724,460.80

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Solution

The fourth proportional to 817,772.80, 1,224,326.40 and 724,460.80 is: 1,084,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,772.80 : 1,224,326.40 = 724,460.80 : x
  2. Step 2: Convert to fraction form
    817,772.80/1,224,326.40 = 724,460.80/x
  3. Step 3: Cross multiply
    817,772.80x = 1,224,326.40 × 724,460.80
  4. Step 4: Simplify right side
    817,772.80x = 886,976,483,205.12
  5. Step 5: Solve for x
    x = 886,976,483,205.12/817,772.80
  6. Step 6: Final answer
    x = 1,084,624.58

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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.