Home / 710,462.72-1,066,114.40-261,498.88

Finding the Fourth Proportional to 710,462.72, 1,066,114.40 and 261,498.88

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Solution

The fourth proportional to 710,462.72, 1,066,114.40 and 261,498.88 is: 392,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,462.72 : 1,066,114.40 = 261,498.88 : x
  2. Step 2: Convert to fraction form
    710,462.72/1,066,114.40 = 261,498.88/x
  3. Step 3: Cross multiply
    710,462.72x = 1,066,114.40 × 261,498.88
  4. Step 4: Simplify right side
    710,462.72x = 278,787,721,551.87
  5. Step 5: Solve for x
    x = 278,787,721,551.87/710,462.72
  6. Step 6: Final answer
    x = 392,403.03

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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.