Home / 670,622.70-1,005,934.05-355,694.70

Finding the Fourth Proportional to 670,622.70, 1,005,934.05 and 355,694.70

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Solution

The fourth proportional to 670,622.70, 1,005,934.05 and 355,694.70 is: 533,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,622.70 : 1,005,934.05 = 355,694.70 : x
  2. Step 2: Convert to fraction form
    670,622.70/1,005,934.05 = 355,694.70/x
  3. Step 3: Cross multiply
    670,622.70x = 1,005,934.05 × 355,694.70
  4. Step 4: Simplify right side
    670,622.70x = 357,805,410,134.54
  5. Step 5: Solve for x
    x = 357,805,410,134.54/670,622.70
  6. Step 6: Final answer
    x = 533,542.05

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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.