Home / 535,424.02-738,782.79-306,053.98

Finding the Fourth Proportional to 535,424.02, 738,782.79 and 306,053.98

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Solution

The fourth proportional to 535,424.02, 738,782.79 and 306,053.98 is: 422,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,424.02 : 738,782.79 = 306,053.98 : x
  2. Step 2: Convert to fraction form
    535,424.02/738,782.79 = 306,053.98/x
  3. Step 3: Cross multiply
    535,424.02x = 738,782.79 × 306,053.98
  4. Step 4: Simplify right side
    535,424.02x = 226,107,410,240.35
  5. Step 5: Solve for x
    x = 226,107,410,240.35/535,424.02
  6. Step 6: Final answer
    x = 422,295.98

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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.