Home / 674,983.57-931,477.83-369,055.07

Finding the Fourth Proportional to 674,983.57, 931,477.83 and 369,055.07

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Solution

The fourth proportional to 674,983.57, 931,477.83 and 369,055.07 is: 509,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,983.57 : 931,477.83 = 369,055.07 : x
  2. Step 2: Convert to fraction form
    674,983.57/931,477.83 = 369,055.07/x
  3. Step 3: Cross multiply
    674,983.57x = 931,477.83 × 369,055.07
  4. Step 4: Simplify right side
    674,983.57x = 343,766,615,754.10
  5. Step 5: Solve for x
    x = 343,766,615,754.10/674,983.57
  6. Step 6: Final answer
    x = 509,296.28

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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.