Home / 939,783.40-1,296,902.34-510,063.58

Finding the Fourth Proportional to 939,783.40, 1,296,902.34 and 510,063.58

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Solution

The fourth proportional to 939,783.40, 1,296,902.34 and 510,063.58 is: 703,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,783.40 : 1,296,902.34 = 510,063.58 : x
  2. Step 2: Convert to fraction form
    939,783.40/1,296,902.34 = 510,063.58/x
  3. Step 3: Cross multiply
    939,783.40x = 1,296,902.34 × 510,063.58
  4. Step 4: Simplify right side
    939,783.40x = 661,502,652,071.91
  5. Step 5: Solve for x
    x = 661,502,652,071.91/939,783.40
  6. Step 6: Final answer
    x = 703,888.42

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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.