Home / 856,222.42-1,181,606.06-488,692.21

Finding the Fourth Proportional to 856,222.42, 1,181,606.06 and 488,692.21

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Solution

The fourth proportional to 856,222.42, 1,181,606.06 and 488,692.21 is: 674,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,222.42 : 1,181,606.06 = 488,692.21 : x
  2. Step 2: Convert to fraction form
    856,222.42/1,181,606.06 = 488,692.21/x
  3. Step 3: Cross multiply
    856,222.42x = 1,181,606.06 × 488,692.21
  4. Step 4: Simplify right side
    856,222.42x = 577,441,676,810.79
  5. Step 5: Solve for x
    x = 577,441,676,810.79/856,222.42
  6. Step 6: Final answer
    x = 674,406.16

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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.