Home / 913,728.24-1,260,904.10-505,801.26

Finding the Fourth Proportional to 913,728.24, 1,260,904.10 and 505,801.26

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Solution

The fourth proportional to 913,728.24, 1,260,904.10 and 505,801.26 is: 697,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,728.24 : 1,260,904.10 = 505,801.26 : x
  2. Step 2: Convert to fraction form
    913,728.24/1,260,904.10 = 505,801.26/x
  3. Step 3: Cross multiply
    913,728.24x = 1,260,904.10 × 505,801.26
  4. Step 4: Simplify right side
    913,728.24x = 637,766,879,990.16
  5. Step 5: Solve for x
    x = 637,766,879,990.16/913,728.24
  6. Step 6: Final answer
    x = 697,983.11

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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.