Home / 847,226.70-1,270,840.05-634,650.30

Finding the Fourth Proportional to 847,226.70, 1,270,840.05 and 634,650.30

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Solution

The fourth proportional to 847,226.70, 1,270,840.05 and 634,650.30 is: 951,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,226.70 : 1,270,840.05 = 634,650.30 : x
  2. Step 2: Convert to fraction form
    847,226.70/1,270,840.05 = 634,650.30/x
  3. Step 3: Cross multiply
    847,226.70x = 1,270,840.05 × 634,650.30
  4. Step 4: Simplify right side
    847,226.70x = 806,539,018,984.52
  5. Step 5: Solve for x
    x = 806,539,018,984.52/847,226.70
  6. Step 6: Final answer
    x = 951,975.45

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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.