Home / 772,645.10-1,158,967.65-536,449.10

Finding the Fourth Proportional to 772,645.10, 1,158,967.65 and 536,449.10

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Solution

The fourth proportional to 772,645.10, 1,158,967.65 and 536,449.10 is: 804,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,645.10 : 1,158,967.65 = 536,449.10 : x
  2. Step 2: Convert to fraction form
    772,645.10/1,158,967.65 = 536,449.10/x
  3. Step 3: Cross multiply
    772,645.10x = 1,158,967.65 × 536,449.10
  4. Step 4: Simplify right side
    772,645.10x = 621,727,152,771.62
  5. Step 5: Solve for x
    x = 621,727,152,771.62/772,645.10
  6. Step 6: Final answer
    x = 804,673.65

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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.