Home / 780,372.33-1,077,050.82-453,786.30

Finding the Fourth Proportional to 780,372.33, 1,077,050.82 and 453,786.30

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Solution

The fourth proportional to 780,372.33, 1,077,050.82 and 453,786.30 is: 626,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,372.33 : 1,077,050.82 = 453,786.30 : x
  2. Step 2: Convert to fraction form
    780,372.33/1,077,050.82 = 453,786.30/x
  3. Step 3: Cross multiply
    780,372.33x = 1,077,050.82 × 453,786.30
  4. Step 4: Simplify right side
    780,372.33x = 488,750,908,221.47
  5. Step 5: Solve for x
    x = 488,750,908,221.47/780,372.33
  6. Step 6: Final answer
    x = 626,304.77

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Double scale
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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.