Home / 670,843.80-1,007,043.30-404,904.60

Finding the Fourth Proportional to 670,843.80, 1,007,043.30 and 404,904.60

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Solution

The fourth proportional to 670,843.80, 1,007,043.30 and 404,904.60 is: 607,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,843.80 : 1,007,043.30 = 404,904.60 : x
  2. Step 2: Convert to fraction form
    670,843.80/1,007,043.30 = 404,904.60/x
  3. Step 3: Cross multiply
    670,843.80x = 1,007,043.30 × 404,904.60
  4. Step 4: Simplify right side
    670,843.80x = 407,756,464,569.18
  5. Step 5: Solve for x
    x = 407,756,464,569.18/670,843.80
  6. Step 6: Final answer
    x = 607,826.24

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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.