Home / 644,929.48-964,564.62-574,349.86

Finding the Fourth Proportional to 644,929.48, 964,564.62 and 574,349.86

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Solution

The fourth proportional to 644,929.48, 964,564.62 and 574,349.86 is: 859,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,929.48 : 964,564.62 = 574,349.86 : x
  2. Step 2: Convert to fraction form
    644,929.48/964,564.62 = 574,349.86/x
  3. Step 3: Cross multiply
    644,929.48x = 964,564.62 × 574,349.86
  4. Step 4: Simplify right side
    644,929.48x = 553,997,554,457.95
  5. Step 5: Solve for x
    x = 553,997,554,457.95/644,929.48
  6. Step 6: Final answer
    x = 859,004.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.