Home / 772,544.60-1,158,816.90-668,864.60

Finding the Fourth Proportional to 772,544.60, 1,158,816.90 and 668,864.60

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Solution

The fourth proportional to 772,544.60, 1,158,816.90 and 668,864.60 is: 1,003,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,544.60 : 1,158,816.90 = 668,864.60 : x
  2. Step 2: Convert to fraction form
    772,544.60/1,158,816.90 = 668,864.60/x
  3. Step 3: Cross multiply
    772,544.60x = 1,158,816.90 × 668,864.60
  4. Step 4: Simplify right side
    772,544.60x = 775,091,602,291.74
  5. Step 5: Solve for x
    x = 775,091,602,291.74/772,544.60
  6. Step 6: Final answer
    x = 1,003,296.90

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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.