Home / 751,038.72-1,126,817.28-470,221.44

Finding the Fourth Proportional to 751,038.72, 1,126,817.28 and 470,221.44

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Solution

The fourth proportional to 751,038.72, 1,126,817.28 and 470,221.44 is: 705,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,038.72 : 1,126,817.28 = 470,221.44 : x
  2. Step 2: Convert to fraction form
    751,038.72/1,126,817.28 = 470,221.44/x
  3. Step 3: Cross multiply
    751,038.72x = 1,126,817.28 × 470,221.44
  4. Step 4: Simplify right side
    751,038.72x = 529,853,644,018.48
  5. Step 5: Solve for x
    x = 529,853,644,018.48/751,038.72
  6. Step 6: Final answer
    x = 705,494.44

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Double scale
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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.