Home / 549,948.30-759,035.06-358,629.54

Finding the Fourth Proportional to 549,948.30, 759,035.06 and 358,629.54

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Solution

The fourth proportional to 549,948.30, 759,035.06 and 358,629.54 is: 494,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,948.30 : 759,035.06 = 358,629.54 : x
  2. Step 2: Convert to fraction form
    549,948.30/759,035.06 = 358,629.54/x
  3. Step 3: Cross multiply
    549,948.30x = 759,035.06 × 358,629.54
  4. Step 4: Simplify right side
    549,948.30x = 272,212,392,618.53
  5. Step 5: Solve for x
    x = 272,212,392,618.53/549,948.30
  6. Step 6: Final answer
    x = 494,978.15

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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.