Home / 663,652.02-915,917.55-377,215.17

Finding the Fourth Proportional to 663,652.02, 915,917.55 and 377,215.17

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Solution

The fourth proportional to 663,652.02, 915,917.55 and 377,215.17 is: 520,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,652.02 : 915,917.55 = 377,215.17 : x
  2. Step 2: Convert to fraction form
    663,652.02/915,917.55 = 377,215.17/x
  3. Step 3: Cross multiply
    663,652.02x = 915,917.55 × 377,215.17
  4. Step 4: Simplify right side
    663,652.02x = 345,497,994,329.23
  5. Step 5: Solve for x
    x = 345,497,994,329.23/663,652.02
  6. Step 6: Final answer
    x = 520,601.13

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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.