Home / 948,811.21-1,309,374.23-519,098.51

Finding the Fourth Proportional to 948,811.21, 1,309,374.23 and 519,098.51

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Solution

The fourth proportional to 948,811.21, 1,309,374.23 and 519,098.51 is: 716,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,811.21 : 1,309,374.23 = 519,098.51 : x
  2. Step 2: Convert to fraction form
    948,811.21/1,309,374.23 = 519,098.51/x
  3. Step 3: Cross multiply
    948,811.21x = 1,309,374.23 × 519,098.51
  4. Step 4: Simplify right side
    948,811.21x = 679,694,211,825.40
  5. Step 5: Solve for x
    x = 679,694,211,825.40/948,811.21
  6. Step 6: Final answer
    x = 716,364.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.