Home / 948,470.68-1,422,698.28-387,111.52

Finding the Fourth Proportional to 948,470.68, 1,422,698.28 and 387,111.52

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Solution

The fourth proportional to 948,470.68, 1,422,698.28 and 387,111.52 is: 580,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,470.68 : 1,422,698.28 = 387,111.52 : x
  2. Step 2: Convert to fraction form
    948,470.68/1,422,698.28 = 387,111.52/x
  3. Step 3: Cross multiply
    948,470.68x = 1,422,698.28 × 387,111.52
  4. Step 4: Simplify right side
    948,470.68x = 550,742,893,672.19
  5. Step 5: Solve for x
    x = 550,742,893,672.19/948,470.68
  6. Step 6: Final answer
    x = 580,664.12

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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.