Home / 923,901.62-1,388,312.78-497,764.66

Finding the Fourth Proportional to 923,901.62, 1,388,312.78 and 497,764.66

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Solution

The fourth proportional to 923,901.62, 1,388,312.78 and 497,764.66 is: 747,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,901.62 : 1,388,312.78 = 497,764.66 : x
  2. Step 2: Convert to fraction form
    923,901.62/1,388,312.78 = 497,764.66/x
  3. Step 3: Cross multiply
    923,901.62x = 1,388,312.78 × 497,764.66
  4. Step 4: Simplify right side
    923,901.62x = 691,053,038,910.36
  5. Step 5: Solve for x
    x = 691,053,038,910.36/923,901.62
  6. Step 6: Final answer
    x = 747,972.54

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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.