Home / 859,557.56-1,287,564.63-503,492.09

Finding the Fourth Proportional to 859,557.56, 1,287,564.63 and 503,492.09

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Solution

The fourth proportional to 859,557.56, 1,287,564.63 and 503,492.09 is: 754,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,557.56 : 1,287,564.63 = 503,492.09 : x
  2. Step 2: Convert to fraction form
    859,557.56/1,287,564.63 = 503,492.09/x
  3. Step 3: Cross multiply
    859,557.56x = 1,287,564.63 × 503,492.09
  4. Step 4: Simplify right side
    859,557.56x = 648,278,600,130.95
  5. Step 5: Solve for x
    x = 648,278,600,130.95/859,557.56
  6. Step 6: Final answer
    x = 754,200.34

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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.