Home / 899,224.20-1,240,927.44-491,328.94

Finding the Fourth Proportional to 899,224.20, 1,240,927.44 and 491,328.94

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Solution

The fourth proportional to 899,224.20, 1,240,927.44 and 491,328.94 is: 678,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,224.20 : 1,240,927.44 = 491,328.94 : x
  2. Step 2: Convert to fraction form
    899,224.20/1,240,927.44 = 491,328.94/x
  3. Step 3: Cross multiply
    899,224.20x = 1,240,927.44 × 491,328.94
  4. Step 4: Simplify right side
    899,224.20x = 609,703,563,712.11
  5. Step 5: Solve for x
    x = 609,703,563,712.11/899,224.20
  6. Step 6: Final answer
    x = 678,032.87

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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.