Home / 759,650.81-1,048,458.35-488,058.21

Finding the Fourth Proportional to 759,650.81, 1,048,458.35 and 488,058.21

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Solution

The fourth proportional to 759,650.81, 1,048,458.35 and 488,058.21 is: 673,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,650.81 : 1,048,458.35 = 488,058.21 : x
  2. Step 2: Convert to fraction form
    759,650.81/1,048,458.35 = 488,058.21/x
  3. Step 3: Cross multiply
    759,650.81x = 1,048,458.35 × 488,058.21
  4. Step 4: Simplify right side
    759,650.81x = 511,708,705,560.55
  5. Step 5: Solve for x
    x = 511,708,705,560.55/759,650.81
  6. Step 6: Final answer
    x = 673,610.43

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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.