Home / 818,370.76-1,129,307.22-450,776.44

Finding the Fourth Proportional to 818,370.76, 1,129,307.22 and 450,776.44

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Solution

The fourth proportional to 818,370.76, 1,129,307.22 and 450,776.44 is: 622,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,370.76 : 1,129,307.22 = 450,776.44 : x
  2. Step 2: Convert to fraction form
    818,370.76/1,129,307.22 = 450,776.44/x
  3. Step 3: Cross multiply
    818,370.76x = 1,129,307.22 × 450,776.44
  4. Step 4: Simplify right side
    818,370.76x = 509,065,088,297.90
  5. Step 5: Solve for x
    x = 509,065,088,297.90/818,370.76
  6. Step 6: Final answer
    x = 622,047.01

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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.