Home / 913,726.99-1,260,902.37-505,800.01

Finding the Fourth Proportional to 913,726.99, 1,260,902.37 and 505,800.01

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Solution

The fourth proportional to 913,726.99, 1,260,902.37 and 505,800.01 is: 697,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,726.99 : 1,260,902.37 = 505,800.01 : x
  2. Step 2: Convert to fraction form
    913,726.99/1,260,902.37 = 505,800.01/x
  3. Step 3: Cross multiply
    913,726.99x = 1,260,902.37 × 505,800.01
  4. Step 4: Simplify right side
    913,726.99x = 637,764,431,355.02
  5. Step 5: Solve for x
    x = 637,764,431,355.02/913,726.99
  6. Step 6: Final answer
    x = 697,981.39

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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.