Home / 780,024.60-1,170,036.90-683,602.20

Finding the Fourth Proportional to 780,024.60, 1,170,036.90 and 683,602.20

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Solution

The fourth proportional to 780,024.60, 1,170,036.90 and 683,602.20 is: 1,025,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,024.60 : 1,170,036.90 = 683,602.20 : x
  2. Step 2: Convert to fraction form
    780,024.60/1,170,036.90 = 683,602.20/x
  3. Step 3: Cross multiply
    780,024.60x = 1,170,036.90 × 683,602.20
  4. Step 4: Simplify right side
    780,024.60x = 799,839,798,921.18
  5. Step 5: Solve for x
    x = 799,839,798,921.18/780,024.60
  6. Step 6: Final answer
    x = 1,025,403.30

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Double scale
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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.