Home / 913,695.59-1,260,914.82-500,225.44

Finding the Fourth Proportional to 913,695.59, 1,260,914.82 and 500,225.44

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Solution

The fourth proportional to 913,695.59, 1,260,914.82 and 500,225.44 is: 690,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,695.59 : 1,260,914.82 = 500,225.44 : x
  2. Step 2: Convert to fraction form
    913,695.59/1,260,914.82 = 500,225.44/x
  3. Step 3: Cross multiply
    913,695.59x = 1,260,914.82 × 500,225.44
  4. Step 4: Simplify right side
    913,695.59x = 630,741,670,100.30
  5. Step 5: Solve for x
    x = 630,741,670,100.30/913,695.59
  6. Step 6: Final answer
    x = 690,319.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.