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Finding the Fourth Proportional to 579,860.76, 800,210.70 and 325,225.56

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Solution

The fourth proportional to 579,860.76, 800,210.70 and 325,225.56 is: 448,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,860.76 : 800,210.70 = 325,225.56 : x
  2. Step 2: Convert to fraction form
    579,860.76/800,210.70 = 325,225.56/x
  3. Step 3: Cross multiply
    579,860.76x = 800,210.70 × 325,225.56
  4. Step 4: Simplify right side
    579,860.76x = 260,248,973,025.49
  5. Step 5: Solve for x
    x = 260,248,973,025.49/579,860.76
  6. Step 6: Final answer
    x = 448,812.87

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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.