Home / 905,080.27-1,357,599.39-455,680.48

Finding the Fourth Proportional to 905,080.27, 1,357,599.39 and 455,680.48

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Solution

The fourth proportional to 905,080.27, 1,357,599.39 and 455,680.48 is: 683,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,080.27 : 1,357,599.39 = 455,680.48 : x
  2. Step 2: Convert to fraction form
    905,080.27/1,357,599.39 = 455,680.48/x
  3. Step 3: Cross multiply
    905,080.27x = 1,357,599.39 × 455,680.48
  4. Step 4: Simplify right side
    905,080.27x = 618,631,541,682.91
  5. Step 5: Solve for x
    x = 618,631,541,682.91/905,080.27
  6. Step 6: Final answer
    x = 683,510.14

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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.