Home / 929,146.08-1,393,384.68-321,769.92

Finding the Fourth Proportional to 929,146.08, 1,393,384.68 and 321,769.92

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Solution

The fourth proportional to 929,146.08, 1,393,384.68 and 321,769.92 is: 482,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,146.08 : 1,393,384.68 = 321,769.92 : x
  2. Step 2: Convert to fraction form
    929,146.08/1,393,384.68 = 321,769.92/x
  3. Step 3: Cross multiply
    929,146.08x = 1,393,384.68 × 321,769.92
  4. Step 4: Simplify right side
    929,146.08x = 448,349,277,012.83
  5. Step 5: Solve for x
    x = 448,349,277,012.83/929,146.08
  6. Step 6: Final answer
    x = 482,539.06

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1.5x scale

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.