Home / 753,773.77-1,039,740.87-495,680.23

Finding the Fourth Proportional to 753,773.77, 1,039,740.87 and 495,680.23

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Solution

The fourth proportional to 753,773.77, 1,039,740.87 and 495,680.23 is: 683,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,773.77 : 1,039,740.87 = 495,680.23 : x
  2. Step 2: Convert to fraction form
    753,773.77/1,039,740.87 = 495,680.23/x
  3. Step 3: Cross multiply
    753,773.77x = 1,039,740.87 × 495,680.23
  4. Step 4: Simplify right side
    753,773.77x = 515,378,993,582.00
  5. Step 5: Solve for x
    x = 515,378,993,582.00/753,773.77
  6. Step 6: Final answer
    x = 683,731.66

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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.