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Finding the Fourth Proportional to 645,825.90, 968,738.85 and 567,029.10

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Solution

The fourth proportional to 645,825.90, 968,738.85 and 567,029.10 is: 850,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,825.90 : 968,738.85 = 567,029.10 : x
  2. Step 2: Convert to fraction form
    645,825.90/968,738.85 = 567,029.10/x
  3. Step 3: Cross multiply
    645,825.90x = 968,738.85 × 567,029.10
  4. Step 4: Simplify right side
    645,825.90x = 549,303,118,250.54
  5. Step 5: Solve for x
    x = 549,303,118,250.54/645,825.90
  6. Step 6: Final answer
    x = 850,543.65

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Double scale
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Similar ratio
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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.