Home / 899,224.53-1,240,938.57-491,326.34

Finding the Fourth Proportional to 899,224.53, 1,240,938.57 and 491,326.34

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Solution

The fourth proportional to 899,224.53, 1,240,938.57 and 491,326.34 is: 678,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,224.53 : 1,240,938.57 = 491,326.34 : x
  2. Step 2: Convert to fraction form
    899,224.53/1,240,938.57 = 491,326.34/x
  3. Step 3: Cross multiply
    899,224.53x = 1,240,938.57 × 491,326.34
  4. Step 4: Simplify right side
    899,224.53x = 609,705,804,890.86
  5. Step 5: Solve for x
    x = 609,705,804,890.86/899,224.53
  6. Step 6: Final answer
    x = 678,035.11

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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.