Home / 840,995.60-1,260,201.68-570,772.58

Finding the Fourth Proportional to 840,995.60, 1,260,201.68 and 570,772.58

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Solution

The fourth proportional to 840,995.60, 1,260,201.68 and 570,772.58 is: 855,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,995.60 : 1,260,201.68 = 570,772.58 : x
  2. Step 2: Convert to fraction form
    840,995.60/1,260,201.68 = 570,772.58/x
  3. Step 3: Cross multiply
    840,995.60x = 1,260,201.68 × 570,772.58
  4. Step 4: Simplify right side
    840,995.60x = 719,288,564,213.93
  5. Step 5: Solve for x
    x = 719,288,564,213.93/840,995.60
  6. Step 6: Final answer
    x = 855,282.20

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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.