Home / 913,707.82-1,260,926.76-505,816.48

Finding the Fourth Proportional to 913,707.82, 1,260,926.76 and 505,816.48

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Solution

The fourth proportional to 913,707.82, 1,260,926.76 and 505,816.48 is: 698,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,707.82 : 1,260,926.76 = 505,816.48 : x
  2. Step 2: Convert to fraction form
    913,707.82/1,260,926.76 = 505,816.48/x
  3. Step 3: Cross multiply
    913,707.82x = 1,260,926.76 × 505,816.48
  4. Step 4: Simplify right side
    913,707.82x = 637,797,535,281.01
  5. Step 5: Solve for x
    x = 637,797,535,281.01/913,707.82
  6. Step 6: Final answer
    x = 698,032.26

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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.