Home / 898,462.94-1,239,896.12-490,580.95

Finding the Fourth Proportional to 898,462.94, 1,239,896.12 and 490,580.95

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Solution

The fourth proportional to 898,462.94, 1,239,896.12 and 490,580.95 is: 677,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,462.94 : 1,239,896.12 = 490,580.95 : x
  2. Step 2: Convert to fraction form
    898,462.94/1,239,896.12 = 490,580.95/x
  3. Step 3: Cross multiply
    898,462.94x = 1,239,896.12 × 490,580.95
  4. Step 4: Simplify right side
    898,462.94x = 608,269,409,024.98
  5. Step 5: Solve for x
    x = 608,269,409,024.98/898,462.94
  6. Step 6: Final answer
    x = 677,011.13

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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.