Home / 983,710.84-1,475,619.15-309,844.90

Finding the Fourth Proportional to 983,710.84, 1,475,619.15 and 309,844.90

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Solution

The fourth proportional to 983,710.84, 1,475,619.15 and 309,844.90 is: 464,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,710.84 : 1,475,619.15 = 309,844.90 : x
  2. Step 2: Convert to fraction form
    983,710.84/1,475,619.15 = 309,844.90/x
  3. Step 3: Cross multiply
    983,710.84x = 1,475,619.15 × 309,844.90
  4. Step 4: Simplify right side
    983,710.84x = 457,213,067,969.84
  5. Step 5: Solve for x
    x = 457,213,067,969.84/983,710.84
  6. Step 6: Final answer
    x = 464,784.01

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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.