Home / 949,400.12-1,424,095.93-388,434.62

Finding the Fourth Proportional to 949,400.12, 1,424,095.93 and 388,434.62

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Solution

The fourth proportional to 949,400.12, 1,424,095.93 and 388,434.62 is: 582,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,400.12 : 1,424,095.93 = 388,434.62 : x
  2. Step 2: Convert to fraction form
    949,400.12/1,424,095.93 = 388,434.62/x
  3. Step 3: Cross multiply
    949,400.12x = 1,424,095.93 × 388,434.62
  4. Step 4: Simplify right side
    949,400.12x = 553,168,165,458.88
  5. Step 5: Solve for x
    x = 553,168,165,458.88/949,400.12
  6. Step 6: Final answer
    x = 582,650.19

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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.