Home / 780,015.60-1,170,023.40-496,580.40

Finding the Fourth Proportional to 780,015.60, 1,170,023.40 and 496,580.40

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Solution

The fourth proportional to 780,015.60, 1,170,023.40 and 496,580.40 is: 744,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,015.60 : 1,170,023.40 = 496,580.40 : x
  2. Step 2: Convert to fraction form
    780,015.60/1,170,023.40 = 496,580.40/x
  3. Step 3: Cross multiply
    780,015.60x = 1,170,023.40 × 496,580.40
  4. Step 4: Simplify right side
    780,015.60x = 581,010,687,981.36
  5. Step 5: Solve for x
    x = 581,010,687,981.36/780,015.60
  6. Step 6: Final answer
    x = 744,870.60

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Similar ratio
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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.