Home / 881,208.75-1,216,075.50-478,800.75

Finding the Fourth Proportional to 881,208.75, 1,216,075.50 and 478,800.75

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Solution

The fourth proportional to 881,208.75, 1,216,075.50 and 478,800.75 is: 660,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,208.75 : 1,216,075.50 = 478,800.75 : x
  2. Step 2: Convert to fraction form
    881,208.75/1,216,075.50 = 478,800.75/x
  3. Step 3: Cross multiply
    881,208.75x = 1,216,075.50 × 478,800.75
  4. Step 4: Simplify right side
    881,208.75x = 582,257,861,456.63
  5. Step 5: Solve for x
    x = 582,257,861,456.63/881,208.75
  6. Step 6: Final answer
    x = 660,749.07

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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.