Home / 459,919.77-689,851.98-171,675.95

Finding the Fourth Proportional to 459,919.77, 689,851.98 and 171,675.95

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Solution

The fourth proportional to 459,919.77, 689,851.98 and 171,675.95 is: 257,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,919.77 : 689,851.98 = 171,675.95 : x
  2. Step 2: Convert to fraction form
    459,919.77/689,851.98 = 171,675.95/x
  3. Step 3: Cross multiply
    459,919.77x = 689,851.98 × 171,675.95
  4. Step 4: Simplify right side
    459,919.77x = 118,430,990,576.62
  5. Step 5: Solve for x
    x = 118,430,990,576.62/459,919.77
  6. Step 6: Final answer
    x = 257,503.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.