Home / 709,384.52-1,064,255.02-203,946.44

Finding the Fourth Proportional to 709,384.52, 1,064,255.02 and 203,946.44

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Solution

The fourth proportional to 709,384.52, 1,064,255.02 and 203,946.44 is: 305,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,384.52 : 1,064,255.02 = 203,946.44 : x
  2. Step 2: Convert to fraction form
    709,384.52/1,064,255.02 = 203,946.44/x
  3. Step 3: Cross multiply
    709,384.52x = 1,064,255.02 × 203,946.44
  4. Step 4: Simplify right side
    709,384.52x = 217,051,022,581.13
  5. Step 5: Solve for x
    x = 217,051,022,581.13/709,384.52
  6. Step 6: Final answer
    x = 305,970.90

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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.