Home / 762,905.16-1,145,111.04-572,704.20

Finding the Fourth Proportional to 762,905.16, 1,145,111.04 and 572,704.20

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Solution

The fourth proportional to 762,905.16, 1,145,111.04 and 572,704.20 is: 859,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,905.16 : 1,145,111.04 = 572,704.20 : x
  2. Step 2: Convert to fraction form
    762,905.16/1,145,111.04 = 572,704.20/x
  3. Step 3: Cross multiply
    762,905.16x = 1,145,111.04 × 572,704.20
  4. Step 4: Simplify right side
    762,905.16x = 655,809,902,074.37
  5. Step 5: Solve for x
    x = 655,809,902,074.37/762,905.16
  6. Step 6: Final answer
    x = 859,621.79

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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.