Home / 983,221.66-1,474,851.93-309,288.70

Finding the Fourth Proportional to 983,221.66, 1,474,851.93 and 309,288.70

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Solution

The fourth proportional to 983,221.66, 1,474,851.93 and 309,288.70 is: 463,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,221.66 : 1,474,851.93 = 309,288.70 : x
  2. Step 2: Convert to fraction form
    983,221.66/1,474,851.93 = 309,288.70/x
  3. Step 3: Cross multiply
    983,221.66x = 1,474,851.93 × 309,288.70
  4. Step 4: Simplify right side
    983,221.66x = 456,155,036,122.19
  5. Step 5: Solve for x
    x = 456,155,036,122.19/983,221.66
  6. Step 6: Final answer
    x = 463,939.17

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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.