Home / 673,313.70-1,009,970.55-421,371.30

Finding the Fourth Proportional to 673,313.70, 1,009,970.55 and 421,371.30

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Solution

The fourth proportional to 673,313.70, 1,009,970.55 and 421,371.30 is: 632,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,313.70 : 1,009,970.55 = 421,371.30 : x
  2. Step 2: Convert to fraction form
    673,313.70/1,009,970.55 = 421,371.30/x
  3. Step 3: Cross multiply
    673,313.70x = 1,009,970.55 × 421,371.30
  4. Step 4: Simplify right side
    673,313.70x = 425,572,603,615.22
  5. Step 5: Solve for x
    x = 425,572,603,615.22/673,313.70
  6. Step 6: Final answer
    x = 632,056.95

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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.