Home / 909,299.88-1,254,842.55-501,416.19

Finding the Fourth Proportional to 909,299.88, 1,254,842.55 and 501,416.19

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Solution

The fourth proportional to 909,299.88, 1,254,842.55 and 501,416.19 is: 691,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,299.88 : 1,254,842.55 = 501,416.19 : x
  2. Step 2: Convert to fraction form
    909,299.88/1,254,842.55 = 501,416.19/x
  3. Step 3: Cross multiply
    909,299.88x = 1,254,842.55 × 501,416.19
  4. Step 4: Simplify right side
    909,299.88x = 629,198,370,470.89
  5. Step 5: Solve for x
    x = 629,198,370,470.89/909,299.88
  6. Step 6: Final answer
    x = 691,959.15

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Double scale
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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.