Home / 710,391.20-1,064,842.56-330,999.12

Finding the Fourth Proportional to 710,391.20, 1,064,842.56 and 330,999.12

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Solution

The fourth proportional to 710,391.20, 1,064,842.56 and 330,999.12 is: 496,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,391.20 : 1,064,842.56 = 330,999.12 : x
  2. Step 2: Convert to fraction form
    710,391.20/1,064,842.56 = 330,999.12/x
  3. Step 3: Cross multiply
    710,391.20x = 1,064,842.56 × 330,999.12
  4. Step 4: Simplify right side
    710,391.20x = 352,461,950,298.55
  5. Step 5: Solve for x
    x = 352,461,950,298.55/710,391.20
  6. Step 6: Final answer
    x = 496,151.91

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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.