Home / 983,182.39-1,475,065.20-309,356.77

Finding the Fourth Proportional to 983,182.39, 1,475,065.20 and 309,356.77

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Solution

The fourth proportional to 983,182.39, 1,475,065.20 and 309,356.77 is: 464,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,182.39 : 1,475,065.20 = 309,356.77 : x
  2. Step 2: Convert to fraction form
    983,182.39/1,475,065.20 = 309,356.77/x
  3. Step 3: Cross multiply
    983,182.39x = 1,475,065.20 × 309,356.77
  4. Step 4: Simplify right side
    983,182.39x = 456,321,405,811.40
  5. Step 5: Solve for x
    x = 456,321,405,811.40/983,182.39
  6. Step 6: Final answer
    x = 464,126.91

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1.5x scale

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.