Home / 991,003.03-1,486,725.98-317,124.77

Finding the Fourth Proportional to 991,003.03, 1,486,725.98 and 317,124.77

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Solution

The fourth proportional to 991,003.03, 1,486,725.98 and 317,124.77 is: 475,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,003.03 : 1,486,725.98 = 317,124.77 : x
  2. Step 2: Convert to fraction form
    991,003.03/1,486,725.98 = 317,124.77/x
  3. Step 3: Cross multiply
    991,003.03x = 1,486,725.98 × 317,124.77
  4. Step 4: Simplify right side
    991,003.03x = 471,477,635,141.99
  5. Step 5: Solve for x
    x = 471,477,635,141.99/991,003.03
  6. Step 6: Final answer
    x = 475,758.02

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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.