Home / 742,139.28-1,025,113.32-548,940

Finding the Fourth Proportional to 742,139.28, 1,025,113.32 and 548,940

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Solution

The fourth proportional to 742,139.28, 1,025,113.32 and 548,940 is: 758,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,139.28 : 1,025,113.32 = 548,940 : x
  2. Step 2: Convert to fraction form
    742,139.28/1,025,113.32 = 548,940/x
  3. Step 3: Cross multiply
    742,139.28x = 1,025,113.32 × 548,940
  4. Step 4: Simplify right side
    742,139.28x = 562,725,705,880.80
  5. Step 5: Solve for x
    x = 562,725,705,880.80/742,139.28
  6. Step 6: Final answer
    x = 758,248.11

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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.