Home / 689,167.51-950,911.81-402,632.24

Finding the Fourth Proportional to 689,167.51, 950,911.81 and 402,632.24

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Solution

The fourth proportional to 689,167.51, 950,911.81 and 402,632.24 is: 555,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,167.51 : 950,911.81 = 402,632.24 : x
  2. Step 2: Convert to fraction form
    689,167.51/950,911.81 = 402,632.24/x
  3. Step 3: Cross multiply
    689,167.51x = 950,911.81 × 402,632.24
  4. Step 4: Simplify right side
    689,167.51x = 382,867,752,102.75
  5. Step 5: Solve for x
    x = 382,867,752,102.75/689,167.51
  6. Step 6: Final answer
    x = 555,551.08

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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.