Home / 612,909.48-845,842.50-510,764.03

Finding the Fourth Proportional to 612,909.48, 845,842.50 and 510,764.03

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Solution

The fourth proportional to 612,909.48, 845,842.50 and 510,764.03 is: 704,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,909.48 : 845,842.50 = 510,764.03 : x
  2. Step 2: Convert to fraction form
    612,909.48/845,842.50 = 510,764.03/x
  3. Step 3: Cross multiply
    612,909.48x = 845,842.50 × 510,764.03
  4. Step 4: Simplify right side
    612,909.48x = 432,025,922,987.97
  5. Step 5: Solve for x
    x = 432,025,922,987.97/612,909.48
  6. Step 6: Final answer
    x = 704,877.20

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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.