Home / 790,733.59-1,091,409.20-451,398.67

Finding the Fourth Proportional to 790,733.59, 1,091,409.20 and 451,398.67

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Solution

The fourth proportional to 790,733.59, 1,091,409.20 and 451,398.67 is: 623,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,733.59 : 1,091,409.20 = 451,398.67 : x
  2. Step 2: Convert to fraction form
    790,733.59/1,091,409.20 = 451,398.67/x
  3. Step 3: Cross multiply
    790,733.59x = 1,091,409.20 × 451,398.67
  4. Step 4: Simplify right side
    790,733.59x = 492,660,661,305.76
  5. Step 5: Solve for x
    x = 492,660,661,305.76/790,733.59
  6. Step 6: Final answer
    x = 623,042.54

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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.