Home / 772,482.72-1,158,725.04-211,522.08

Finding the Fourth Proportional to 772,482.72, 1,158,725.04 and 211,522.08

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Solution

The fourth proportional to 772,482.72, 1,158,725.04 and 211,522.08 is: 317,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,482.72 : 1,158,725.04 = 211,522.08 : x
  2. Step 2: Convert to fraction form
    772,482.72/1,158,725.04 = 211,522.08/x
  3. Step 3: Cross multiply
    772,482.72x = 1,158,725.04 × 211,522.08
  4. Step 4: Simplify right side
    772,482.72x = 245,095,930,608.88
  5. Step 5: Solve for x
    x = 245,095,930,608.88/772,482.72
  6. Step 6: Final answer
    x = 317,283.38

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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.