Home / 1,008,498.60-1,513,015.20-439,635.60

Finding the Fourth Proportional to 1,008,498.60, 1,513,015.20 and 439,635.60

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Solution

The fourth proportional to 1,008,498.60, 1,513,015.20 and 439,635.60 is: 659,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,498.60 : 1,513,015.20 = 439,635.60 : x
  2. Step 2: Convert to fraction form
    1,008,498.60/1,513,015.20 = 439,635.60/x
  3. Step 3: Cross multiply
    1,008,498.60x = 1,513,015.20 × 439,635.60
  4. Step 4: Simplify right side
    1,008,498.60x = 665,175,345,261.12
  5. Step 5: Solve for x
    x = 665,175,345,261.12/1,008,498.60
  6. Step 6: Final answer
    x = 659,569.92

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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.