Home / 762,704.40-1,144,056.60-447,776.40

Finding the Fourth Proportional to 762,704.40, 1,144,056.60 and 447,776.40

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Solution

The fourth proportional to 762,704.40, 1,144,056.60 and 447,776.40 is: 671,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,704.40 : 1,144,056.60 = 447,776.40 : x
  2. Step 2: Convert to fraction form
    762,704.40/1,144,056.60 = 447,776.40/x
  3. Step 3: Cross multiply
    762,704.40x = 1,144,056.60 × 447,776.40
  4. Step 4: Simplify right side
    762,704.40x = 512,281,545,744.24
  5. Step 5: Solve for x
    x = 512,281,545,744.24/762,704.40
  6. Step 6: Final answer
    x = 671,664.60

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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.