Home / 710,446.68-1,066,090.32-261,482.88

Finding the Fourth Proportional to 710,446.68, 1,066,090.32 and 261,482.88

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Solution

The fourth proportional to 710,446.68, 1,066,090.32 and 261,482.88 is: 392,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,446.68 : 1,066,090.32 = 261,482.88 : x
  2. Step 2: Convert to fraction form
    710,446.68/1,066,090.32 = 261,482.88/x
  3. Step 3: Cross multiply
    710,446.68x = 1,066,090.32 × 261,482.88
  4. Step 4: Simplify right side
    710,446.68x = 278,764,367,213.72
  5. Step 5: Solve for x
    x = 278,764,367,213.72/710,446.68
  6. Step 6: Final answer
    x = 392,379.01

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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.