Home / 656,789.24-906,368.73-354,983.24

Finding the Fourth Proportional to 656,789.24, 906,368.73 and 354,983.24

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Solution

The fourth proportional to 656,789.24, 906,368.73 and 354,983.24 is: 489,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,789.24 : 906,368.73 = 354,983.24 : x
  2. Step 2: Convert to fraction form
    656,789.24/906,368.73 = 354,983.24/x
  3. Step 3: Cross multiply
    656,789.24x = 906,368.73 × 354,983.24
  4. Step 4: Simplify right side
    656,789.24x = 321,745,703,878.24
  5. Step 5: Solve for x
    x = 321,745,703,878.24/656,789.24
  6. Step 6: Final answer
    x = 489,876.64

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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.