Home / 495,986.32-743,985.55-140,999.77

Finding the Fourth Proportional to 495,986.32, 743,985.55 and 140,999.77

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Solution

The fourth proportional to 495,986.32, 743,985.55 and 140,999.77 is: 211,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,986.32 : 743,985.55 = 140,999.77 : x
  2. Step 2: Convert to fraction form
    495,986.32/743,985.55 = 140,999.77/x
  3. Step 3: Cross multiply
    495,986.32x = 743,985.55 × 140,999.77
  4. Step 4: Simplify right side
    495,986.32x = 104,901,787,713.40
  5. Step 5: Solve for x
    x = 104,901,787,713.40/495,986.32
  6. Step 6: Final answer
    x = 211,501.38

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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.