Home / 997,921.32-1,496,342.67-314,679.28

Finding the Fourth Proportional to 997,921.32, 1,496,342.67 and 314,679.28

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Solution

The fourth proportional to 997,921.32, 1,496,342.67 and 314,679.28 is: 471,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,921.32 : 1,496,342.67 = 314,679.28 : x
  2. Step 2: Convert to fraction form
    997,921.32/1,496,342.67 = 314,679.28/x
  3. Step 3: Cross multiply
    997,921.32x = 1,496,342.67 × 314,679.28
  4. Step 4: Simplify right side
    997,921.32x = 470,868,031,913.62
  5. Step 5: Solve for x
    x = 470,868,031,913.62/997,921.32
  6. Step 6: Final answer
    x = 471,848.86

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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.