Home / 857,852.55-1,285,325.67-569,462.78

Finding the Fourth Proportional to 857,852.55, 1,285,325.67 and 569,462.78

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Solution

The fourth proportional to 857,852.55, 1,285,325.67 and 569,462.78 is: 853,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,852.55 : 1,285,325.67 = 569,462.78 : x
  2. Step 2: Convert to fraction form
    857,852.55/1,285,325.67 = 569,462.78/x
  3. Step 3: Cross multiply
    857,852.55x = 1,285,325.67 × 569,462.78
  4. Step 4: Simplify right side
    857,852.55x = 731,945,127,774.16
  5. Step 5: Solve for x
    x = 731,945,127,774.16/857,852.55
  6. Step 6: Final answer
    x = 853,229.53

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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.