Home / 948,683.54-1,420,744.76-542,645.12

Finding the Fourth Proportional to 948,683.54, 1,420,744.76 and 542,645.12

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Solution

The fourth proportional to 948,683.54, 1,420,744.76 and 542,645.12 is: 812,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,683.54 : 1,420,744.76 = 542,645.12 : x
  2. Step 2: Convert to fraction form
    948,683.54/1,420,744.76 = 542,645.12/x
  3. Step 3: Cross multiply
    948,683.54x = 1,420,744.76 × 542,645.12
  4. Step 4: Simplify right side
    948,683.54x = 770,960,213,653.13
  5. Step 5: Solve for x
    x = 770,960,213,653.13/948,683.54
  6. Step 6: Final answer
    x = 812,663.21

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1.5x scale

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.