Home / 708,320.72-1,062,794.08-371,280.78

Finding the Fourth Proportional to 708,320.72, 1,062,794.08 and 371,280.78

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Solution

The fourth proportional to 708,320.72, 1,062,794.08 and 371,280.78 is: 557,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,320.72 : 1,062,794.08 = 371,280.78 : x
  2. Step 2: Convert to fraction form
    708,320.72/1,062,794.08 = 371,280.78/x
  3. Step 3: Cross multiply
    708,320.72x = 1,062,794.08 × 371,280.78
  4. Step 4: Simplify right side
    708,320.72x = 394,595,009,687.81
  5. Step 5: Solve for x
    x = 394,595,009,687.81/708,320.72
  6. Step 6: Final answer
    x = 557,085.23

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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.