Home / 754,900.79-1,041,419.81-448,803.48

Finding the Fourth Proportional to 754,900.79, 1,041,419.81 and 448,803.48

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Solution

The fourth proportional to 754,900.79, 1,041,419.81 and 448,803.48 is: 619,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,900.79 : 1,041,419.81 = 448,803.48 : x
  2. Step 2: Convert to fraction form
    754,900.79/1,041,419.81 = 448,803.48/x
  3. Step 3: Cross multiply
    754,900.79x = 1,041,419.81 × 448,803.48
  4. Step 4: Simplify right side
    754,900.79x = 467,392,832,624.92
  5. Step 5: Solve for x
    x = 467,392,832,624.92/754,900.79
  6. Step 6: Final answer
    x = 619,144.72

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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.