Home / 658,849.50-909,309.84-417,154.56

Finding the Fourth Proportional to 658,849.50, 909,309.84 and 417,154.56

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Solution

The fourth proportional to 658,849.50, 909,309.84 and 417,154.56 is: 575,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,849.50 : 909,309.84 = 417,154.56 : x
  2. Step 2: Convert to fraction form
    658,849.50/909,309.84 = 417,154.56/x
  3. Step 3: Cross multiply
    658,849.50x = 909,309.84 × 417,154.56
  4. Step 4: Simplify right side
    658,849.50x = 379,322,746,208.87
  5. Step 5: Solve for x
    x = 379,322,746,208.87/658,849.50
  6. Step 6: Final answer
    x = 575,735.04

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1.5x scale

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.