Home / 689,036.58-950,656.77-402,349.86

Finding the Fourth Proportional to 689,036.58, 950,656.77 and 402,349.86

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Solution

The fourth proportional to 689,036.58, 950,656.77 and 402,349.86 is: 555,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,036.58 : 950,656.77 = 402,349.86 : x
  2. Step 2: Convert to fraction form
    689,036.58/950,656.77 = 402,349.86/x
  3. Step 3: Cross multiply
    689,036.58x = 950,656.77 × 402,349.86
  4. Step 4: Simplify right side
    689,036.58x = 382,496,618,317.55
  5. Step 5: Solve for x
    x = 382,496,618,317.55/689,036.58
  6. Step 6: Final answer
    x = 555,118.01

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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.