Home / 559,974.46-840,242.04-256,368.03

Finding the Fourth Proportional to 559,974.46, 840,242.04 and 256,368.03

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Solution

The fourth proportional to 559,974.46, 840,242.04 and 256,368.03 is: 384,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,974.46 : 840,242.04 = 256,368.03 : x
  2. Step 2: Convert to fraction form
    559,974.46/840,242.04 = 256,368.03/x
  3. Step 3: Cross multiply
    559,974.46x = 840,242.04 × 256,368.03
  4. Step 4: Simplify right side
    559,974.46x = 215,411,197,977.67
  5. Step 5: Solve for x
    x = 215,411,197,977.67/559,974.46
  6. Step 6: Final answer
    x = 384,680.40

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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.