Home / 889,400.17-1,334,162.64-356,921.56

Finding the Fourth Proportional to 889,400.17, 1,334,162.64 and 356,921.56

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Solution

The fourth proportional to 889,400.17, 1,334,162.64 and 356,921.56 is: 535,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,400.17 : 1,334,162.64 = 356,921.56 : x
  2. Step 2: Convert to fraction form
    889,400.17/1,334,162.64 = 356,921.56/x
  3. Step 3: Cross multiply
    889,400.17x = 1,334,162.64 × 356,921.56
  4. Step 4: Simplify right side
    889,400.17x = 476,191,410,762.52
  5. Step 5: Solve for x
    x = 476,191,410,762.52/889,400.17
  6. Step 6: Final answer
    x = 535,407.38

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1.5x scale

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.