Home / 423,977.58-635,964.89-402,692.04

Finding the Fourth Proportional to 423,977.58, 635,964.89 and 402,692.04

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Solution

The fourth proportional to 423,977.58, 635,964.89 and 402,692.04 is: 604,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,977.58 : 635,964.89 = 402,692.04 : x
  2. Step 2: Convert to fraction form
    423,977.58/635,964.89 = 402,692.04/x
  3. Step 3: Cross multiply
    423,977.58x = 635,964.89 × 402,692.04
  4. Step 4: Simplify right side
    423,977.58x = 256,097,996,909.02
  5. Step 5: Solve for x
    x = 256,097,996,909.02/423,977.58
  6. Step 6: Final answer
    x = 604,036.65

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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.