Home / 749,047.96-1,124,411.54-300,081.80

Finding the Fourth Proportional to 749,047.96, 1,124,411.54 and 300,081.80

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Solution

The fourth proportional to 749,047.96, 1,124,411.54 and 300,081.80 is: 450,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,047.96 : 1,124,411.54 = 300,081.80 : x
  2. Step 2: Convert to fraction form
    749,047.96/1,124,411.54 = 300,081.80/x
  3. Step 3: Cross multiply
    749,047.96x = 1,124,411.54 × 300,081.80
  4. Step 4: Simplify right side
    749,047.96x = 337,415,439,015.35
  5. Step 5: Solve for x
    x = 337,415,439,015.35/749,047.96
  6. Step 6: Final answer
    x = 450,459.06

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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.