Home / 939,957.83-1,297,143.45-510,238.25

Finding the Fourth Proportional to 939,957.83, 1,297,143.45 and 510,238.25

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Solution

The fourth proportional to 939,957.83, 1,297,143.45 and 510,238.25 is: 704,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,957.83 : 1,297,143.45 = 510,238.25 : x
  2. Step 2: Convert to fraction form
    939,957.83/1,297,143.45 = 510,238.25/x
  3. Step 3: Cross multiply
    939,957.83x = 1,297,143.45 × 510,238.25
  4. Step 4: Simplify right side
    939,957.83x = 661,852,199,408.51
  5. Step 5: Solve for x
    x = 661,852,199,408.51/939,957.83
  6. Step 6: Final answer
    x = 704,129.67

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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.