Home / 689,862.60-952,124.22-403,327.80

Finding the Fourth Proportional to 689,862.60, 952,124.22 and 403,327.80

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Solution

The fourth proportional to 689,862.60, 952,124.22 and 403,327.80 is: 556,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,862.60 : 952,124.22 = 403,327.80 : x
  2. Step 2: Convert to fraction form
    689,862.60/952,124.22 = 403,327.80/x
  3. Step 3: Cross multiply
    689,862.60x = 952,124.22 × 403,327.80
  4. Step 4: Simplify right side
    689,862.60x = 384,018,166,979.32
  5. Step 5: Solve for x
    x = 384,018,166,979.32/689,862.60
  6. Step 6: Final answer
    x = 556,658.92

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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.