Home / 899,291.43-1,241,007.48-491,384.34

Finding the Fourth Proportional to 899,291.43, 1,241,007.48 and 491,384.34

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Solution

The fourth proportional to 899,291.43, 1,241,007.48 and 491,384.34 is: 678,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,291.43 : 1,241,007.48 = 491,384.34 : x
  2. Step 2: Convert to fraction form
    899,291.43/1,241,007.48 = 491,384.34/x
  3. Step 3: Cross multiply
    899,291.43x = 1,241,007.48 × 491,384.34
  4. Step 4: Simplify right side
    899,291.43x = 609,811,641,494.86
  5. Step 5: Solve for x
    x = 609,811,641,494.86/899,291.43
  6. Step 6: Final answer
    x = 678,102.36

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Double scale
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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.