Home / 771,201.60-1,156,802.40-764,203.20

Finding the Fourth Proportional to 771,201.60, 1,156,802.40 and 764,203.20

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Solution

The fourth proportional to 771,201.60, 1,156,802.40 and 764,203.20 is: 1,146,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,201.60 : 1,156,802.40 = 764,203.20 : x
  2. Step 2: Convert to fraction form
    771,201.60/1,156,802.40 = 764,203.20/x
  3. Step 3: Cross multiply
    771,201.60x = 1,156,802.40 × 764,203.20
  4. Step 4: Simplify right side
    771,201.60x = 884,032,095,847.68
  5. Step 5: Solve for x
    x = 884,032,095,847.68/771,201.60
  6. Step 6: Final answer
    x = 1,146,304.80

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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.