Home / 939,722.30-1,296,816.74-510,002.42

Finding the Fourth Proportional to 939,722.30, 1,296,816.74 and 510,002.42

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Solution

The fourth proportional to 939,722.30, 1,296,816.74 and 510,002.42 is: 703,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,722.30 : 1,296,816.74 = 510,002.42 : x
  2. Step 2: Convert to fraction form
    939,722.30/1,296,816.74 = 510,002.42/x
  3. Step 3: Cross multiply
    939,722.30x = 1,296,816.74 × 510,002.42
  4. Step 4: Simplify right side
    939,722.30x = 661,379,675,696.51
  5. Step 5: Solve for x
    x = 661,379,675,696.51/939,722.30
  6. Step 6: Final answer
    x = 703,803.32

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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.