Home / 950,465.60-1,425,007.20-389,211.20

Finding the Fourth Proportional to 950,465.60, 1,425,007.20 and 389,211.20

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Solution

The fourth proportional to 950,465.60, 1,425,007.20 and 389,211.20 is: 583,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,465.60 : 1,425,007.20 = 389,211.20 : x
  2. Step 2: Convert to fraction form
    950,465.60/1,425,007.20 = 389,211.20/x
  3. Step 3: Cross multiply
    950,465.60x = 1,425,007.20 × 389,211.20
  4. Step 4: Simplify right side
    950,465.60x = 554,628,762,320.64
  5. Step 5: Solve for x
    x = 554,628,762,320.64/950,465.60
  6. Step 6: Final answer
    x = 583,533.76

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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.