Home / 939,966.36-1,297,177.08-510,246.45

Finding the Fourth Proportional to 939,966.36, 1,297,177.08 and 510,246.45

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Solution

The fourth proportional to 939,966.36, 1,297,177.08 and 510,246.45 is: 704,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,966.36 : 1,297,177.08 = 510,246.45 : x
  2. Step 2: Convert to fraction form
    939,966.36/1,297,177.08 = 510,246.45/x
  3. Step 3: Cross multiply
    939,966.36x = 1,297,177.08 × 510,246.45
  4. Step 4: Simplify right side
    939,966.36x = 661,880,000,091.37
  5. Step 5: Solve for x
    x = 661,880,000,091.37/939,966.36
  6. Step 6: Final answer
    x = 704,152.86

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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.