Home / 840,997.60-1,260,204.68-570,774.60

Finding the Fourth Proportional to 840,997.60, 1,260,204.68 and 570,774.60

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Solution

The fourth proportional to 840,997.60, 1,260,204.68 and 570,774.60 is: 855,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,997.60 : 1,260,204.68 = 570,774.60 : x
  2. Step 2: Convert to fraction form
    840,997.60/1,260,204.68 = 570,774.60/x
  3. Step 3: Cross multiply
    840,997.60x = 1,260,204.68 × 570,774.60
  4. Step 4: Simplify right side
    840,997.60x = 719,292,822,145.13
  5. Step 5: Solve for x
    x = 719,292,822,145.13/840,997.60
  6. Step 6: Final answer
    x = 855,285.23

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Double scale
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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.