Home / 939,802.16-1,296,927.60-510,082.28

Finding the Fourth Proportional to 939,802.16, 1,296,927.60 and 510,082.28

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Solution

The fourth proportional to 939,802.16, 1,296,927.60 and 510,082.28 is: 703,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,802.16 : 1,296,927.60 = 510,082.28 : x
  2. Step 2: Convert to fraction form
    939,802.16/1,296,927.60 = 510,082.28/x
  3. Step 3: Cross multiply
    939,802.16x = 1,296,927.60 × 510,082.28
  4. Step 4: Simplify right side
    939,802.16x = 661,539,787,202.93
  5. Step 5: Solve for x
    x = 661,539,787,202.93/939,802.16
  6. Step 6: Final answer
    x = 703,913.88

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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.