Home / 579,564.80-869,779.20-298,937.60

Finding the Fourth Proportional to 579,564.80, 869,779.20 and 298,937.60

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Solution

The fourth proportional to 579,564.80, 869,779.20 and 298,937.60 is: 448,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,564.80 : 869,779.20 = 298,937.60 : x
  2. Step 2: Convert to fraction form
    579,564.80/869,779.20 = 298,937.60/x
  3. Step 3: Cross multiply
    579,564.80x = 869,779.20 × 298,937.60
  4. Step 4: Simplify right side
    579,564.80x = 260,009,706,577.92
  5. Step 5: Solve for x
    x = 260,009,706,577.92/579,564.80
  6. Step 6: Final answer
    x = 448,629.22

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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.