Home / 748,904.90-1,123,362.15-299,663.30

Finding the Fourth Proportional to 748,904.90, 1,123,362.15 and 299,663.30

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Solution

The fourth proportional to 748,904.90, 1,123,362.15 and 299,663.30 is: 449,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,904.90 : 1,123,362.15 = 299,663.30 : x
  2. Step 2: Convert to fraction form
    748,904.90/1,123,362.15 = 299,663.30/x
  3. Step 3: Cross multiply
    748,904.90x = 1,123,362.15 × 299,663.30
  4. Step 4: Simplify right side
    748,904.90x = 336,630,408,964.10
  5. Step 5: Solve for x
    x = 336,630,408,964.10/748,904.90
  6. Step 6: Final answer
    x = 449,496.87

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1.5x scale

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.