Home / 390,599.75-584,944.16-352,734.59

Finding the Fourth Proportional to 390,599.75, 584,944.16 and 352,734.59

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Solution

The fourth proportional to 390,599.75, 584,944.16 and 352,734.59 is: 528,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,599.75 : 584,944.16 = 352,734.59 : x
  2. Step 2: Convert to fraction form
    390,599.75/584,944.16 = 352,734.59/x
  3. Step 3: Cross multiply
    390,599.75x = 584,944.16 × 352,734.59
  4. Step 4: Simplify right side
    390,599.75x = 206,330,033,762.10
  5. Step 5: Solve for x
    x = 206,330,033,762.10/390,599.75
  6. Step 6: Final answer
    x = 528,239.04

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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.