Home / 559,361.04-771,936.12-317,654.16

Finding the Fourth Proportional to 559,361.04, 771,936.12 and 317,654.16

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Solution

The fourth proportional to 559,361.04, 771,936.12 and 317,654.16 is: 438,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,361.04 : 771,936.12 = 317,654.16 : x
  2. Step 2: Convert to fraction form
    559,361.04/771,936.12 = 317,654.16/x
  3. Step 3: Cross multiply
    559,361.04x = 771,936.12 × 317,654.16
  4. Step 4: Simplify right side
    559,361.04x = 245,208,719,772.26
  5. Step 5: Solve for x
    x = 245,208,719,772.26/559,361.04
  6. Step 6: Final answer
    x = 438,372.90

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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.