Home / 772,483.72-1,158,726.54-211,523.08

Finding the Fourth Proportional to 772,483.72, 1,158,726.54 and 211,523.08

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Solution

The fourth proportional to 772,483.72, 1,158,726.54 and 211,523.08 is: 317,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,483.72 : 1,158,726.54 = 211,523.08 : x
  2. Step 2: Convert to fraction form
    772,483.72/1,158,726.54 = 211,523.08/x
  3. Step 3: Cross multiply
    772,483.72x = 1,158,726.54 × 211,523.08
  4. Step 4: Simplify right side
    772,483.72x = 245,097,406,618.54
  5. Step 5: Solve for x
    x = 245,097,406,618.54/772,483.72
  6. Step 6: Final answer
    x = 317,284.88

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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.