Home / 578,924.02-798,903.30-320,798.80

Finding the Fourth Proportional to 578,924.02, 798,903.30 and 320,798.80

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Solution

The fourth proportional to 578,924.02, 798,903.30 and 320,798.80 is: 442,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,924.02 : 798,903.30 = 320,798.80 : x
  2. Step 2: Convert to fraction form
    578,924.02/798,903.30 = 320,798.80/x
  3. Step 3: Cross multiply
    578,924.02x = 798,903.30 × 320,798.80
  4. Step 4: Simplify right side
    578,924.02x = 256,287,219,956.04
  5. Step 5: Solve for x
    x = 256,287,219,956.04/578,924.02
  6. Step 6: Final answer
    x = 442,695.78

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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.