Home / 772,644.70-1,158,045.45-323,364.70

Finding the Fourth Proportional to 772,644.70, 1,158,045.45 and 323,364.70

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Solution

The fourth proportional to 772,644.70, 1,158,045.45 and 323,364.70 is: 484,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,644.70 : 1,158,045.45 = 323,364.70 : x
  2. Step 2: Convert to fraction form
    772,644.70/1,158,045.45 = 323,364.70/x
  3. Step 3: Cross multiply
    772,644.70x = 1,158,045.45 × 323,364.70
  4. Step 4: Simplify right side
    772,644.70x = 374,471,019,525.62
  5. Step 5: Solve for x
    x = 374,471,019,525.62/772,644.70
  6. Step 6: Final answer
    x = 484,661.35

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Double scale
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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.