Home / 708,658.56-1,062,637.38-309,126.60

Finding the Fourth Proportional to 708,658.56, 1,062,637.38 and 309,126.60

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Solution

The fourth proportional to 708,658.56, 1,062,637.38 and 309,126.60 is: 463,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,658.56 : 1,062,637.38 = 309,126.60 : x
  2. Step 2: Convert to fraction form
    708,658.56/1,062,637.38 = 309,126.60/x
  3. Step 3: Cross multiply
    708,658.56x = 1,062,637.38 × 309,126.60
  4. Step 4: Simplify right side
    708,658.56x = 328,489,480,312.31
  5. Step 5: Solve for x
    x = 328,489,480,312.31/708,658.56
  6. Step 6: Final answer
    x = 463,537.02

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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.