Home / 689,200.36-950,957.04-402,665.08

Finding the Fourth Proportional to 689,200.36, 950,957.04 and 402,665.08

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Solution

The fourth proportional to 689,200.36, 950,957.04 and 402,665.08 is: 555,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,200.36 : 950,957.04 = 402,665.08 : x
  2. Step 2: Convert to fraction form
    689,200.36/950,957.04 = 402,665.08/x
  3. Step 3: Cross multiply
    689,200.36x = 950,957.04 × 402,665.08
  4. Step 4: Simplify right side
    689,200.36x = 382,917,192,588.16
  5. Step 5: Solve for x
    x = 382,917,192,588.16/689,200.36
  6. Step 6: Final answer
    x = 555,596.33

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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.