Home / 826,628.73-1,140,798.72-550,513.14

Finding the Fourth Proportional to 826,628.73, 1,140,798.72 and 550,513.14

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Solution

The fourth proportional to 826,628.73, 1,140,798.72 and 550,513.14 is: 759,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,628.73 : 1,140,798.72 = 550,513.14 : x
  2. Step 2: Convert to fraction form
    826,628.73/1,140,798.72 = 550,513.14/x
  3. Step 3: Cross multiply
    826,628.73x = 1,140,798.72 × 550,513.14
  4. Step 4: Simplify right side
    826,628.73x = 628,024,685,455.18
  5. Step 5: Solve for x
    x = 628,024,685,455.18/826,628.73
  6. Step 6: Final answer
    x = 759,742.15

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1.5x scale

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.