Home / 712,916.52-1,069,388.52-263,405.40

Finding the Fourth Proportional to 712,916.52, 1,069,388.52 and 263,405.40

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Solution

The fourth proportional to 712,916.52, 1,069,388.52 and 263,405.40 is: 395,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,916.52 : 1,069,388.52 = 263,405.40 : x
  2. Step 2: Convert to fraction form
    712,916.52/1,069,388.52 = 263,405.40/x
  3. Step 3: Cross multiply
    712,916.52x = 1,069,388.52 × 263,405.40
  4. Step 4: Simplify right side
    712,916.52x = 281,682,710,866.01
  5. Step 5: Solve for x
    x = 281,682,710,866.01/712,916.52
  6. Step 6: Final answer
    x = 395,113.18

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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.