Home / 692,643.32-1,039,068.88-243,285

Finding the Fourth Proportional to 692,643.32, 1,039,068.88 and 243,285

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Solution

The fourth proportional to 692,643.32, 1,039,068.88 and 243,285 is: 364,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,643.32 : 1,039,068.88 = 243,285 : x
  2. Step 2: Convert to fraction form
    692,643.32/1,039,068.88 = 243,285/x
  3. Step 3: Cross multiply
    692,643.32x = 1,039,068.88 × 243,285
  4. Step 4: Simplify right side
    692,643.32x = 252,789,872,470.80
  5. Step 5: Solve for x
    x = 252,789,872,470.80/692,643.32
  6. Step 6: Final answer
    x = 364,963.99

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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.