Home / 862,859.60-1,295,057.40-507,429.20

Finding the Fourth Proportional to 862,859.60, 1,295,057.40 and 507,429.20

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Solution

The fourth proportional to 862,859.60, 1,295,057.40 and 507,429.20 is: 761,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,859.60 : 1,295,057.40 = 507,429.20 : x
  2. Step 2: Convert to fraction form
    862,859.60/1,295,057.40 = 507,429.20/x
  3. Step 3: Cross multiply
    862,859.60x = 1,295,057.40 × 507,429.20
  4. Step 4: Simplify right side
    862,859.60x = 657,149,940,436.08
  5. Step 5: Solve for x
    x = 657,149,940,436.08/862,859.60
  6. Step 6: Final answer
    x = 761,595.44

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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.