Home / 535,913.46-803,258.69-215,860.48

Finding the Fourth Proportional to 535,913.46, 803,258.69 and 215,860.48

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Solution

The fourth proportional to 535,913.46, 803,258.69 and 215,860.48 is: 323,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,913.46 : 803,258.69 = 215,860.48 : x
  2. Step 2: Convert to fraction form
    535,913.46/803,258.69 = 215,860.48/x
  3. Step 3: Cross multiply
    535,913.46x = 803,258.69 × 215,860.48
  4. Step 4: Simplify right side
    535,913.46x = 173,391,803,300.12
  5. Step 5: Solve for x
    x = 173,391,803,300.12/535,913.46
  6. Step 6: Final answer
    x = 323,544.41

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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.