Home / 644,823.08-889,877.46-358,355.24

Finding the Fourth Proportional to 644,823.08, 889,877.46 and 358,355.24

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Solution

The fourth proportional to 644,823.08, 889,877.46 and 358,355.24 is: 494,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,823.08 : 889,877.46 = 358,355.24 : x
  2. Step 2: Convert to fraction form
    644,823.08/889,877.46 = 358,355.24/x
  3. Step 3: Cross multiply
    644,823.08x = 889,877.46 × 358,355.24
  4. Step 4: Simplify right side
    644,823.08x = 318,892,250,748.89
  5. Step 5: Solve for x
    x = 318,892,250,748.89/644,823.08
  6. Step 6: Final answer
    x = 494,542.24

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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.