Home / 783,576.60-1,175,364.90-503,640.60

Finding the Fourth Proportional to 783,576.60, 1,175,364.90 and 503,640.60

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Solution

The fourth proportional to 783,576.60, 1,175,364.90 and 503,640.60 is: 755,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,576.60 : 1,175,364.90 = 503,640.60 : x
  2. Step 2: Convert to fraction form
    783,576.60/1,175,364.90 = 503,640.60/x
  3. Step 3: Cross multiply
    783,576.60x = 1,175,364.90 × 503,640.60
  4. Step 4: Simplify right side
    783,576.60x = 591,961,483,454.94
  5. Step 5: Solve for x
    x = 591,961,483,454.94/783,576.60
  6. Step 6: Final answer
    x = 755,460.90

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Double scale
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Similar ratio
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1.5x scale

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.