Home / 948,811.42-1,309,374.52-519,098.74

Finding the Fourth Proportional to 948,811.42, 1,309,374.52 and 519,098.74

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Solution

The fourth proportional to 948,811.42, 1,309,374.52 and 519,098.74 is: 716,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,811.42 : 1,309,374.52 = 519,098.74 : x
  2. Step 2: Convert to fraction form
    948,811.42/1,309,374.52 = 519,098.74/x
  3. Step 3: Cross multiply
    948,811.42x = 1,309,374.52 × 519,098.74
  4. Step 4: Simplify right side
    948,811.42x = 679,694,663,520.11
  5. Step 5: Solve for x
    x = 679,694,663,520.11/948,811.42
  6. Step 6: Final answer
    x = 716,364.34

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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.