Home / 939,785.38-1,296,904.98-510,065.44

Finding the Fourth Proportional to 939,785.38, 1,296,904.98 and 510,065.44

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Solution

The fourth proportional to 939,785.38, 1,296,904.98 and 510,065.44 is: 703,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,785.38 : 1,296,904.98 = 510,065.44 : x
  2. Step 2: Convert to fraction form
    939,785.38/1,296,904.98 = 510,065.44/x
  3. Step 3: Cross multiply
    939,785.38x = 1,296,904.98 × 510,065.44
  4. Step 4: Simplify right side
    939,785.38x = 661,506,409,261.89
  5. Step 5: Solve for x
    x = 661,506,409,261.89/939,785.38
  6. Step 6: Final answer
    x = 703,890.93

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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.