Home / 869,147.40-1,303,656.30-363,577.80

Finding the Fourth Proportional to 869,147.40, 1,303,656.30 and 363,577.80

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Solution

The fourth proportional to 869,147.40, 1,303,656.30 and 363,577.80 is: 545,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,147.40 : 1,303,656.30 = 363,577.80 : x
  2. Step 2: Convert to fraction form
    869,147.40/1,303,656.30 = 363,577.80/x
  3. Step 3: Cross multiply
    869,147.40x = 1,303,656.30 × 363,577.80
  4. Step 4: Simplify right side
    869,147.40x = 473,980,489,510.14
  5. Step 5: Solve for x
    x = 473,980,489,510.14/869,147.40
  6. Step 6: Final answer
    x = 545,339.59

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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.