Home / 689,184.36-950,934.96-402,649.08

Finding the Fourth Proportional to 689,184.36, 950,934.96 and 402,649.08

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Solution

The fourth proportional to 689,184.36, 950,934.96 and 402,649.08 is: 555,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,184.36 : 950,934.96 = 402,649.08 : x
  2. Step 2: Convert to fraction form
    689,184.36/950,934.96 = 402,649.08/x
  3. Step 3: Cross multiply
    689,184.36x = 950,934.96 × 402,649.08
  4. Step 4: Simplify right side
    689,184.36x = 382,893,086,783.84
  5. Step 5: Solve for x
    x = 382,893,086,783.84/689,184.36
  6. Step 6: Final answer
    x = 555,574.25

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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.