Home / 772,616.48-1,159,090.90-260,332.60

Finding the Fourth Proportional to 772,616.48, 1,159,090.90 and 260,332.60

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Solution

The fourth proportional to 772,616.48, 1,159,090.90 and 260,332.60 is: 390,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,616.48 : 1,159,090.90 = 260,332.60 : x
  2. Step 2: Convert to fraction form
    772,616.48/1,159,090.90 = 260,332.60/x
  3. Step 3: Cross multiply
    772,616.48x = 1,159,090.90 × 260,332.60
  4. Step 4: Simplify right side
    772,616.48x = 301,749,147,633.34
  5. Step 5: Solve for x
    x = 301,749,147,633.34/772,616.48
  6. Step 6: Final answer
    x = 390,554.89

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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.