Home / 692,438.63-1,038,792.60-265,943.25

Finding the Fourth Proportional to 692,438.63, 1,038,792.60 and 265,943.25

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Solution

The fourth proportional to 692,438.63, 1,038,792.60 and 265,943.25 is: 398,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,438.63 : 1,038,792.60 = 265,943.25 : x
  2. Step 2: Convert to fraction form
    692,438.63/1,038,792.60 = 265,943.25/x
  3. Step 3: Cross multiply
    692,438.63x = 1,038,792.60 × 265,943.25
  4. Step 4: Simplify right side
    692,438.63x = 276,259,880,119.95
  5. Step 5: Solve for x
    x = 276,259,880,119.95/692,438.63
  6. Step 6: Final answer
    x = 398,966.59

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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.