Home / 437,715.36-604,161.90-285,172.20

Finding the Fourth Proportional to 437,715.36, 604,161.90 and 285,172.20

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Solution

The fourth proportional to 437,715.36, 604,161.90 and 285,172.20 is: 393,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,715.36 : 604,161.90 = 285,172.20 : x
  2. Step 2: Convert to fraction form
    437,715.36/604,161.90 = 285,172.20/x
  3. Step 3: Cross multiply
    437,715.36x = 604,161.90 × 285,172.20
  4. Step 4: Simplify right side
    437,715.36x = 172,290,178,179.18
  5. Step 5: Solve for x
    x = 172,290,178,179.18/437,715.36
  6. Step 6: Final answer
    x = 393,612.37

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1.5x scale

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.