Home / 696,589.20-1,043,134.20-458,643.60

Finding the Fourth Proportional to 696,589.20, 1,043,134.20 and 458,643.60

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Solution

The fourth proportional to 696,589.20, 1,043,134.20 and 458,643.60 is: 686,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,589.20 : 1,043,134.20 = 458,643.60 : x
  2. Step 2: Convert to fraction form
    696,589.20/1,043,134.20 = 458,643.60/x
  3. Step 3: Cross multiply
    696,589.20x = 1,043,134.20 × 458,643.60
  4. Step 4: Simplify right side
    696,589.20x = 478,426,824,771.12
  5. Step 5: Solve for x
    x = 478,426,824,771.12/696,589.20
  6. Step 6: Final answer
    x = 686,813.44

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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.