Home / 740,976.05-1,022,170.74-468,585.20

Finding the Fourth Proportional to 740,976.05, 1,022,170.74 and 468,585.20

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Solution

The fourth proportional to 740,976.05, 1,022,170.74 and 468,585.20 is: 646,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,976.05 : 1,022,170.74 = 468,585.20 : x
  2. Step 2: Convert to fraction form
    740,976.05/1,022,170.74 = 468,585.20/x
  3. Step 3: Cross multiply
    740,976.05x = 1,022,170.74 × 468,585.20
  4. Step 4: Simplify right side
    740,976.05x = 478,974,080,637.05
  5. Step 5: Solve for x
    x = 478,974,080,637.05/740,976.05
  6. Step 6: Final answer
    x = 646,409.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.