Home / 983,181.39-1,475,063.70-309,355.77

Finding the Fourth Proportional to 983,181.39, 1,475,063.70 and 309,355.77

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Solution

The fourth proportional to 983,181.39, 1,475,063.70 and 309,355.77 is: 464,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,181.39 : 1,475,063.70 = 309,355.77 : x
  2. Step 2: Convert to fraction form
    983,181.39/1,475,063.70 = 309,355.77/x
  3. Step 3: Cross multiply
    983,181.39x = 1,475,063.70 × 309,355.77
  4. Step 4: Simplify right side
    983,181.39x = 456,319,466,712.55
  5. Step 5: Solve for x
    x = 456,319,466,712.55/983,181.39
  6. Step 6: Final answer
    x = 464,125.41

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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.