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Finding the Fourth Proportional to 459,580, 634,220.40 and 258,377.44

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Solution

The fourth proportional to 459,580, 634,220.40 and 258,377.44 is: 356,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,580 : 634,220.40 = 258,377.44 : x
  2. Step 2: Convert to fraction form
    459,580/634,220.40 = 258,377.44/x
  3. Step 3: Cross multiply
    459,580x = 634,220.40 × 258,377.44
  4. Step 4: Simplify right side
    459,580x = 163,868,243,347.78
  5. Step 5: Solve for x
    x = 163,868,243,347.78/459,580
  6. Step 6: Final answer
    x = 356,560.87

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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.