Home / 862,913.60-1,295,138.40-507,483.20

Finding the Fourth Proportional to 862,913.60, 1,295,138.40 and 507,483.20

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Solution

The fourth proportional to 862,913.60, 1,295,138.40 and 507,483.20 is: 761,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,913.60 : 1,295,138.40 = 507,483.20 : x
  2. Step 2: Convert to fraction form
    862,913.60/1,295,138.40 = 507,483.20/x
  3. Step 3: Cross multiply
    862,913.60x = 1,295,138.40 × 507,483.20
  4. Step 4: Simplify right side
    862,913.60x = 657,260,979,674.88
  5. Step 5: Solve for x
    x = 657,260,979,674.88/862,913.60
  6. Step 6: Final answer
    x = 761,676.46

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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.