Home / 874,997.88-1,312,502.34-243,917.16

Finding the Fourth Proportional to 874,997.88, 1,312,502.34 and 243,917.16

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Solution

The fourth proportional to 874,997.88, 1,312,502.34 and 243,917.16 is: 365,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,997.88 : 1,312,502.34 = 243,917.16 : x
  2. Step 2: Convert to fraction form
    874,997.88/1,312,502.34 = 243,917.16/x
  3. Step 3: Cross multiply
    874,997.88x = 1,312,502.34 × 243,917.16
  4. Step 4: Simplify right side
    874,997.88x = 320,141,843,266.15
  5. Step 5: Solve for x
    x = 320,141,843,266.15/874,997.88
  6. Step 6: Final answer
    x = 365,877.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.