Home / 848,570.75-1,272,015.34-398,485.95

Finding the Fourth Proportional to 848,570.75, 1,272,015.34 and 398,485.95

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Solution

The fourth proportional to 848,570.75, 1,272,015.34 and 398,485.95 is: 597,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,570.75 : 1,272,015.34 = 398,485.95 : x
  2. Step 2: Convert to fraction form
    848,570.75/1,272,015.34 = 398,485.95/x
  3. Step 3: Cross multiply
    848,570.75x = 1,272,015.34 × 398,485.95
  4. Step 4: Simplify right side
    848,570.75x = 506,880,241,174.47
  5. Step 5: Solve for x
    x = 506,880,241,174.47/848,570.75
  6. Step 6: Final answer
    x = 597,334.10

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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.