Home / 673,073.40-1,009,610.10-407,352.90

Finding the Fourth Proportional to 673,073.40, 1,009,610.10 and 407,352.90

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Solution

The fourth proportional to 673,073.40, 1,009,610.10 and 407,352.90 is: 611,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,073.40 : 1,009,610.10 = 407,352.90 : x
  2. Step 2: Convert to fraction form
    673,073.40/1,009,610.10 = 407,352.90/x
  3. Step 3: Cross multiply
    673,073.40x = 1,009,610.10 × 407,352.90
  4. Step 4: Simplify right side
    673,073.40x = 411,267,602,104.29
  5. Step 5: Solve for x
    x = 411,267,602,104.29/673,073.40
  6. Step 6: Final answer
    x = 611,029.35

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Double scale
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Similar ratio
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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.