Home / 770,734.40-1,155,928.80-506,350.40

Finding the Fourth Proportional to 770,734.40, 1,155,928.80 and 506,350.40

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Solution

The fourth proportional to 770,734.40, 1,155,928.80 and 506,350.40 is: 759,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,734.40 : 1,155,928.80 = 506,350.40 : x
  2. Step 2: Convert to fraction form
    770,734.40/1,155,928.80 = 506,350.40/x
  3. Step 3: Cross multiply
    770,734.40x = 1,155,928.80 × 506,350.40
  4. Step 4: Simplify right side
    770,734.40x = 585,305,010,251.52
  5. Step 5: Solve for x
    x = 585,305,010,251.52/770,734.40
  6. Step 6: Final answer
    x = 759,412.08

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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.