Home / 945,972.70-1,305,401.54-538,017.01

Finding the Fourth Proportional to 945,972.70, 1,305,401.54 and 538,017.01

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Solution

The fourth proportional to 945,972.70, 1,305,401.54 and 538,017.01 is: 742,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,972.70 : 1,305,401.54 = 538,017.01 : x
  2. Step 2: Convert to fraction form
    945,972.70/1,305,401.54 = 538,017.01/x
  3. Step 3: Cross multiply
    945,972.70x = 1,305,401.54 × 538,017.01
  4. Step 4: Simplify right side
    945,972.70x = 702,328,227,446.61
  5. Step 5: Solve for x
    x = 702,328,227,446.61/945,972.70
  6. Step 6: Final answer
    x = 742,440.27

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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.