Home / 988,648.40-1,364,249.86-575,261.66

Finding the Fourth Proportional to 988,648.40, 1,364,249.86 and 575,261.66

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Solution

The fourth proportional to 988,648.40, 1,364,249.86 and 575,261.66 is: 793,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,648.40 : 1,364,249.86 = 575,261.66 : x
  2. Step 2: Convert to fraction form
    988,648.40/1,364,249.86 = 575,261.66/x
  3. Step 3: Cross multiply
    988,648.40x = 1,364,249.86 × 575,261.66
  4. Step 4: Simplify right side
    988,648.40x = 784,800,641,090.84
  5. Step 5: Solve for x
    x = 784,800,641,090.84/988,648.40
  6. Step 6: Final answer
    x = 793,811.67

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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.