Home / 818,560.01-1,129,624.48-469,757.21

Finding the Fourth Proportional to 818,560.01, 1,129,624.48 and 469,757.21

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Solution

The fourth proportional to 818,560.01, 1,129,624.48 and 469,757.21 is: 648,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,560.01 : 1,129,624.48 = 469,757.21 : x
  2. Step 2: Convert to fraction form
    818,560.01/1,129,624.48 = 469,757.21/x
  3. Step 3: Cross multiply
    818,560.01x = 1,129,624.48 × 469,757.21
  4. Step 4: Simplify right side
    818,560.01x = 530,649,239,011.58
  5. Step 5: Solve for x
    x = 530,649,239,011.58/818,560.01
  6. Step 6: Final answer
    x = 648,271.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.