Home / 688,816.81-1,032,731.43-323,874.17

Finding the Fourth Proportional to 688,816.81, 1,032,731.43 and 323,874.17

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Solution

The fourth proportional to 688,816.81, 1,032,731.43 and 323,874.17 is: 485,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,816.81 : 1,032,731.43 = 323,874.17 : x
  2. Step 2: Convert to fraction form
    688,816.81/1,032,731.43 = 323,874.17/x
  3. Step 3: Cross multiply
    688,816.81x = 1,032,731.43 × 323,874.17
  4. Step 4: Simplify right side
    688,816.81x = 334,475,034,724.16
  5. Step 5: Solve for x
    x = 334,475,034,724.16/688,816.81
  6. Step 6: Final answer
    x = 485,579.08

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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.