Home / 915,181.37-1,263,011.09-507,300.41

Finding the Fourth Proportional to 915,181.37, 1,263,011.09 and 507,300.41

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Solution

The fourth proportional to 915,181.37, 1,263,011.09 and 507,300.41 is: 700,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,181.37 : 1,263,011.09 = 507,300.41 : x
  2. Step 2: Convert to fraction form
    915,181.37/1,263,011.09 = 507,300.41/x
  3. Step 3: Cross multiply
    915,181.37x = 1,263,011.09 × 507,300.41
  4. Step 4: Simplify right side
    915,181.37x = 640,726,035,891.18
  5. Step 5: Solve for x
    x = 640,726,035,891.18/915,181.37
  6. Step 6: Final answer
    x = 700,108.26

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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.