Home / 770,527.69-1,155,799.33-344,085.21

Finding the Fourth Proportional to 770,527.69, 1,155,799.33 and 344,085.21

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Solution

The fourth proportional to 770,527.69, 1,155,799.33 and 344,085.21 is: 516,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,527.69 : 1,155,799.33 = 344,085.21 : x
  2. Step 2: Convert to fraction form
    770,527.69/1,155,799.33 = 344,085.21/x
  3. Step 3: Cross multiply
    770,527.69x = 1,155,799.33 × 344,085.21
  4. Step 4: Simplify right side
    770,527.69x = 397,693,454,320.70
  5. Step 5: Solve for x
    x = 397,693,454,320.70/770,527.69
  6. Step 6: Final answer
    x = 516,131.30

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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.