Home / 900,003.33-1,242,249.56-513,022.48

Finding the Fourth Proportional to 900,003.33, 1,242,249.56 and 513,022.48

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Solution

The fourth proportional to 900,003.33, 1,242,249.56 and 513,022.48 is: 708,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,003.33 : 1,242,249.56 = 513,022.48 : x
  2. Step 2: Convert to fraction form
    900,003.33/1,242,249.56 = 513,022.48/x
  3. Step 3: Cross multiply
    900,003.33x = 1,242,249.56 × 513,022.48
  4. Step 4: Simplify right side
    900,003.33x = 637,301,950,050.11
  5. Step 5: Solve for x
    x = 637,301,950,050.11/900,003.33
  6. Step 6: Final answer
    x = 708,110.66

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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.