Home / 946,271.42-1,305,679.91-538,349.45

Finding the Fourth Proportional to 946,271.42, 1,305,679.91 and 538,349.45

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Solution

The fourth proportional to 946,271.42, 1,305,679.91 and 538,349.45 is: 742,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,271.42 : 1,305,679.91 = 538,349.45 : x
  2. Step 2: Convert to fraction form
    946,271.42/1,305,679.91 = 538,349.45/x
  3. Step 3: Cross multiply
    946,271.42x = 1,305,679.91 × 538,349.45
  4. Step 4: Simplify right side
    946,271.42x = 702,912,058,732.80
  5. Step 5: Solve for x
    x = 702,912,058,732.80/946,271.42
  6. Step 6: Final answer
    x = 742,822.88

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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.