Home / 802,715.04-1,107,759.60-440,172

Finding the Fourth Proportional to 802,715.04, 1,107,759.60 and 440,172

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Solution

The fourth proportional to 802,715.04, 1,107,759.60 and 440,172 is: 607,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,715.04 : 1,107,759.60 = 440,172 : x
  2. Step 2: Convert to fraction form
    802,715.04/1,107,759.60 = 440,172/x
  3. Step 3: Cross multiply
    802,715.04x = 1,107,759.60 × 440,172
  4. Step 4: Simplify right side
    802,715.04x = 487,604,758,651.20
  5. Step 5: Solve for x
    x = 487,604,758,651.20/802,715.04
  6. Step 6: Final answer
    x = 607,444.40

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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.