Home / 759,732.48-1,139,177.92-310,768.60

Finding the Fourth Proportional to 759,732.48, 1,139,177.92 and 310,768.60

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Solution

The fourth proportional to 759,732.48, 1,139,177.92 and 310,768.60 is: 465,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,732.48 : 1,139,177.92 = 310,768.60 : x
  2. Step 2: Convert to fraction form
    759,732.48/1,139,177.92 = 310,768.60/x
  3. Step 3: Cross multiply
    759,732.48x = 1,139,177.92 × 310,768.60
  4. Step 4: Simplify right side
    759,732.48x = 354,020,727,349.31
  5. Step 5: Solve for x
    x = 354,020,727,349.31/759,732.48
  6. Step 6: Final answer
    x = 465,980.77

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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.