Home / 909,213.45-1,254,724.41-501,316.08

Finding the Fourth Proportional to 909,213.45, 1,254,724.41 and 501,316.08

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Solution

The fourth proportional to 909,213.45, 1,254,724.41 and 501,316.08 is: 691,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,213.45 : 1,254,724.41 = 501,316.08 : x
  2. Step 2: Convert to fraction form
    909,213.45/1,254,724.41 = 501,316.08/x
  3. Step 3: Cross multiply
    909,213.45x = 1,254,724.41 × 501,316.08
  4. Step 4: Simplify right side
    909,213.45x = 629,013,522,701.51
  5. Step 5: Solve for x
    x = 629,013,522,701.51/909,213.45
  6. Step 6: Final answer
    x = 691,821.62

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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.