Home / 684,295.70-1,026,443.55-305,215.70

Finding the Fourth Proportional to 684,295.70, 1,026,443.55 and 305,215.70

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Solution

The fourth proportional to 684,295.70, 1,026,443.55 and 305,215.70 is: 457,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,295.70 : 1,026,443.55 = 305,215.70 : x
  2. Step 2: Convert to fraction form
    684,295.70/1,026,443.55 = 305,215.70/x
  3. Step 3: Cross multiply
    684,295.70x = 1,026,443.55 × 305,215.70
  4. Step 4: Simplify right side
    684,295.70x = 313,286,686,623.74
  5. Step 5: Solve for x
    x = 313,286,686,623.74/684,295.70
  6. Step 6: Final answer
    x = 457,823.55

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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.