Home / 807,060.80-1,210,130.40-333,185.60

Finding the Fourth Proportional to 807,060.80, 1,210,130.40 and 333,185.60

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Solution

The fourth proportional to 807,060.80, 1,210,130.40 and 333,185.60 is: 499,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,060.80 : 1,210,130.40 = 333,185.60 : x
  2. Step 2: Convert to fraction form
    807,060.80/1,210,130.40 = 333,185.60/x
  3. Step 3: Cross multiply
    807,060.80x = 1,210,130.40 × 333,185.60
  4. Step 4: Simplify right side
    807,060.80x = 403,198,023,402.24
  5. Step 5: Solve for x
    x = 403,198,023,402.24/807,060.80
  6. Step 6: Final answer
    x = 499,588.16

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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.