Home / 905,929.50-1,250,260.47-503,599.26

Finding the Fourth Proportional to 905,929.50, 1,250,260.47 and 503,599.26

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Solution

The fourth proportional to 905,929.50, 1,250,260.47 and 503,599.26 is: 695,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,929.50 : 1,250,260.47 = 503,599.26 : x
  2. Step 2: Convert to fraction form
    905,929.50/1,250,260.47 = 503,599.26/x
  3. Step 3: Cross multiply
    905,929.50x = 1,250,260.47 × 503,599.26
  4. Step 4: Simplify right side
    905,929.50x = 629,630,247,499.25
  5. Step 5: Solve for x
    x = 629,630,247,499.25/905,929.50
  6. Step 6: Final answer
    x = 695,010.20

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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.