Home / 688,395.02-1,032,857.32-333,381.74

Finding the Fourth Proportional to 688,395.02, 1,032,857.32 and 333,381.74

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Solution

The fourth proportional to 688,395.02, 1,032,857.32 and 333,381.74 is: 500,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,395.02 : 1,032,857.32 = 333,381.74 : x
  2. Step 2: Convert to fraction form
    688,395.02/1,032,857.32 = 333,381.74/x
  3. Step 3: Cross multiply
    688,395.02x = 1,032,857.32 × 333,381.74
  4. Step 4: Simplify right side
    688,395.02x = 344,335,770,513.34
  5. Step 5: Solve for x
    x = 344,335,770,513.34/688,395.02
  6. Step 6: Final answer
    x = 500,200.84

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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.