Home / 578,925.02-798,904.68-320,799.80

Finding the Fourth Proportional to 578,925.02, 798,904.68 and 320,799.80

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Solution

The fourth proportional to 578,925.02, 798,904.68 and 320,799.80 is: 442,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,925.02 : 798,904.68 = 320,799.80 : x
  2. Step 2: Convert to fraction form
    578,925.02/798,904.68 = 320,799.80/x
  3. Step 3: Cross multiply
    578,925.02x = 798,904.68 × 320,799.80
  4. Step 4: Simplify right side
    578,925.02x = 256,288,461,563.06
  5. Step 5: Solve for x
    x = 256,288,461,563.06/578,925.02
  6. Step 6: Final answer
    x = 442,697.16

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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.