Home / 631,153.47-946,738.57-210,429.48

Finding the Fourth Proportional to 631,153.47, 946,738.57 and 210,429.48

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Solution

The fourth proportional to 631,153.47, 946,738.57 and 210,429.48 is: 315,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,153.47 : 946,738.57 = 210,429.48 : x
  2. Step 2: Convert to fraction form
    631,153.47/946,738.57 = 210,429.48/x
  3. Step 3: Cross multiply
    631,153.47x = 946,738.57 × 210,429.48
  4. Step 4: Simplify right side
    631,153.47x = 199,221,704,981.04
  5. Step 5: Solve for x
    x = 199,221,704,981.04/631,153.47
  6. Step 6: Final answer
    x = 315,647.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.