Home / 753,463.42-1,039,178.16-495,605.18

Finding the Fourth Proportional to 753,463.42, 1,039,178.16 and 495,605.18

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Solution

The fourth proportional to 753,463.42, 1,039,178.16 and 495,605.18 is: 683,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,463.42 : 1,039,178.16 = 495,605.18 : x
  2. Step 2: Convert to fraction form
    753,463.42/1,039,178.16 = 495,605.18/x
  3. Step 3: Cross multiply
    753,463.42x = 1,039,178.16 × 495,605.18
  4. Step 4: Simplify right side
    753,463.42x = 515,022,079,038.87
  5. Step 5: Solve for x
    x = 515,022,079,038.87/753,463.42
  6. Step 6: Final answer
    x = 683,539.59

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Double scale
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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.