Home / 825,960.64-1,139,687.52-486,496.48

Finding the Fourth Proportional to 825,960.64, 1,139,687.52 and 486,496.48

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Solution

The fourth proportional to 825,960.64, 1,139,687.52 and 486,496.48 is: 671,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,960.64 : 1,139,687.52 = 486,496.48 : x
  2. Step 2: Convert to fraction form
    825,960.64/1,139,687.52 = 486,496.48/x
  3. Step 3: Cross multiply
    825,960.64x = 1,139,687.52 × 486,496.48
  4. Step 4: Simplify right side
    825,960.64x = 554,453,966,779.93
  5. Step 5: Solve for x
    x = 554,453,966,779.93/825,960.64
  6. Step 6: Final answer
    x = 671,283.76

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1.5x scale

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.