Home / 820,339.14-1,132,132.47-452,889.30

Finding the Fourth Proportional to 820,339.14, 1,132,132.47 and 452,889.30

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Solution

The fourth proportional to 820,339.14, 1,132,132.47 and 452,889.30 is: 625,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,339.14 : 1,132,132.47 = 452,889.30 : x
  2. Step 2: Convert to fraction form
    820,339.14/1,132,132.47 = 452,889.30/x
  3. Step 3: Cross multiply
    820,339.14x = 1,132,132.47 × 452,889.30
  4. Step 4: Simplify right side
    820,339.14x = 512,730,682,482.36
  5. Step 5: Solve for x
    x = 512,730,682,482.36/820,339.14
  6. Step 6: Final answer
    x = 625,022.82

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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.