Home / 913,601.72-1,260,738-505,704.32

Finding the Fourth Proportional to 913,601.72, 1,260,738 and 505,704.32

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Solution

The fourth proportional to 913,601.72, 1,260,738 and 505,704.32 is: 697,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,601.72 : 1,260,738 = 505,704.32 : x
  2. Step 2: Convert to fraction form
    913,601.72/1,260,738 = 505,704.32/x
  3. Step 3: Cross multiply
    913,601.72x = 1,260,738 × 505,704.32
  4. Step 4: Simplify right side
    913,601.72x = 637,560,652,988.16
  5. Step 5: Solve for x
    x = 637,560,652,988.16/913,601.72
  6. Step 6: Final answer
    x = 697,854.04

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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.