Home / 759,855.24-1,139,784.20-310,575.72

Finding the Fourth Proportional to 759,855.24, 1,139,784.20 and 310,575.72

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Solution

The fourth proportional to 759,855.24, 1,139,784.20 and 310,575.72 is: 465,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,855.24 : 1,139,784.20 = 310,575.72 : x
  2. Step 2: Convert to fraction form
    759,855.24/1,139,784.20 = 310,575.72/x
  3. Step 3: Cross multiply
    759,855.24x = 1,139,784.20 × 310,575.72
  4. Step 4: Simplify right side
    759,855.24x = 353,989,298,559.62
  5. Step 5: Solve for x
    x = 353,989,298,559.62/759,855.24
  6. Step 6: Final answer
    x = 465,864.13

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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.