Home / 670,234.20-1,005,351.30-470,779.80

Finding the Fourth Proportional to 670,234.20, 1,005,351.30 and 470,779.80

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Solution

The fourth proportional to 670,234.20, 1,005,351.30 and 470,779.80 is: 706,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,234.20 : 1,005,351.30 = 470,779.80 : x
  2. Step 2: Convert to fraction form
    670,234.20/1,005,351.30 = 470,779.80/x
  3. Step 3: Cross multiply
    670,234.20x = 1,005,351.30 × 470,779.80
  4. Step 4: Simplify right side
    670,234.20x = 473,299,083,943.74
  5. Step 5: Solve for x
    x = 473,299,083,943.74/670,234.20
  6. Step 6: Final answer
    x = 706,169.70

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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.