Home / 839,122.34-1,158,129.23-495,043.65

Finding the Fourth Proportional to 839,122.34, 1,158,129.23 and 495,043.65

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Solution

The fourth proportional to 839,122.34, 1,158,129.23 and 495,043.65 is: 683,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,122.34 : 1,158,129.23 = 495,043.65 : x
  2. Step 2: Convert to fraction form
    839,122.34/1,158,129.23 = 495,043.65/x
  3. Step 3: Cross multiply
    839,122.34x = 1,158,129.23 × 495,043.65
  4. Step 4: Simplify right side
    839,122.34x = 573,324,518,715.67
  5. Step 5: Solve for x
    x = 573,324,518,715.67/839,122.34
  6. Step 6: Final answer
    x = 683,243.07

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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.