Home / 805,248-1,111,263.50-437,749.85

Finding the Fourth Proportional to 805,248, 1,111,263.50 and 437,749.85

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Solution

The fourth proportional to 805,248, 1,111,263.50 and 437,749.85 is: 604,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,248 : 1,111,263.50 = 437,749.85 : x
  2. Step 2: Convert to fraction form
    805,248/1,111,263.50 = 437,749.85/x
  3. Step 3: Cross multiply
    805,248x = 1,111,263.50 × 437,749.85
  4. Step 4: Simplify right side
    805,248x = 486,455,434,308.01
  5. Step 5: Solve for x
    x = 486,455,434,308.01/805,248
  6. Step 6: Final answer
    x = 604,106.36

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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.