Home / 872,242.32-1,203,517.95-509,596.12

Finding the Fourth Proportional to 872,242.32, 1,203,517.95 and 509,596.12

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Solution

The fourth proportional to 872,242.32, 1,203,517.95 and 509,596.12 is: 703,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,242.32 : 1,203,517.95 = 509,596.12 : x
  2. Step 2: Convert to fraction form
    872,242.32/1,203,517.95 = 509,596.12/x
  3. Step 3: Cross multiply
    872,242.32x = 1,203,517.95 × 509,596.12
  4. Step 4: Simplify right side
    872,242.32x = 613,308,077,670.35
  5. Step 5: Solve for x
    x = 613,308,077,670.35/872,242.32
  6. Step 6: Final answer
    x = 703,139.56

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1.5x scale

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.