Home / 939,765.84-1,296,878.11-510,045.96

Finding the Fourth Proportional to 939,765.84, 1,296,878.11 and 510,045.96

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Solution

The fourth proportional to 939,765.84, 1,296,878.11 and 510,045.96 is: 703,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,765.84 : 1,296,878.11 = 510,045.96 : x
  2. Step 2: Convert to fraction form
    939,765.84/1,296,878.11 = 510,045.96/x
  3. Step 3: Cross multiply
    939,765.84x = 1,296,878.11 × 510,045.96
  4. Step 4: Simplify right side
    939,765.84x = 661,467,440,617.94
  5. Step 5: Solve for x
    x = 661,467,440,617.94/939,765.84
  6. Step 6: Final answer
    x = 703,864.10

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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.