Home / 694,718.70-1,042,078.05-470,186.70

Finding the Fourth Proportional to 694,718.70, 1,042,078.05 and 470,186.70

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Solution

The fourth proportional to 694,718.70, 1,042,078.05 and 470,186.70 is: 705,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,718.70 : 1,042,078.05 = 470,186.70 : x
  2. Step 2: Convert to fraction form
    694,718.70/1,042,078.05 = 470,186.70/x
  3. Step 3: Cross multiply
    694,718.70x = 1,042,078.05 × 470,186.70
  4. Step 4: Simplify right side
    694,718.70x = 489,971,239,471.94
  5. Step 5: Solve for x
    x = 489,971,239,471.94/694,718.70
  6. Step 6: Final answer
    x = 705,280.05

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Double scale
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Similar ratio
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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.