Home / 757,809.60-1,045,776.60-418,277.04

Finding the Fourth Proportional to 757,809.60, 1,045,776.60 and 418,277.04

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Solution

The fourth proportional to 757,809.60, 1,045,776.60 and 418,277.04 is: 577,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,809.60 : 1,045,776.60 = 418,277.04 : x
  2. Step 2: Convert to fraction form
    757,809.60/1,045,776.60 = 418,277.04/x
  3. Step 3: Cross multiply
    757,809.60x = 1,045,776.60 × 418,277.04
  4. Step 4: Simplify right side
    757,809.60x = 437,424,340,749.26
  5. Step 5: Solve for x
    x = 437,424,340,749.26/757,809.60
  6. Step 6: Final answer
    x = 577,221.96

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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.