Home / 579,564.30-869,778.45-298,937.10

Finding the Fourth Proportional to 579,564.30, 869,778.45 and 298,937.10

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Solution

The fourth proportional to 579,564.30, 869,778.45 and 298,937.10 is: 448,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,564.30 : 869,778.45 = 298,937.10 : x
  2. Step 2: Convert to fraction form
    579,564.30/869,778.45 = 298,937.10/x
  3. Step 3: Cross multiply
    579,564.30x = 869,778.45 × 298,937.10
  4. Step 4: Simplify right side
    579,564.30x = 260,009,047,485.50
  5. Step 5: Solve for x
    x = 260,009,047,485.50/579,564.30
  6. Step 6: Final answer
    x = 448,628.47

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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.