Home / 770,174.52-1,155,265.02-505,609.08

Finding the Fourth Proportional to 770,174.52, 1,155,265.02 and 505,609.08

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Solution

The fourth proportional to 770,174.52, 1,155,265.02 and 505,609.08 is: 758,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,174.52 : 1,155,265.02 = 505,609.08 : x
  2. Step 2: Convert to fraction form
    770,174.52/1,155,265.02 = 505,609.08/x
  3. Step 3: Cross multiply
    770,174.52x = 1,155,265.02 × 505,609.08
  4. Step 4: Simplify right side
    770,174.52x = 584,112,483,918.38
  5. Step 5: Solve for x
    x = 584,112,483,918.38/770,174.52
  6. Step 6: Final answer
    x = 758,415.75

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1.5x scale

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.