Home / 939,397.58-1,408,484.01-399,373.82

Finding the Fourth Proportional to 939,397.58, 1,408,484.01 and 399,373.82

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Solution

The fourth proportional to 939,397.58, 1,408,484.01 and 399,373.82 is: 598,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,397.58 : 1,408,484.01 = 399,373.82 : x
  2. Step 2: Convert to fraction form
    939,397.58/1,408,484.01 = 399,373.82/x
  3. Step 3: Cross multiply
    939,397.58x = 1,408,484.01 × 399,373.82
  4. Step 4: Simplify right side
    939,397.58x = 562,511,639,482.62
  5. Step 5: Solve for x
    x = 562,511,639,482.62/939,397.58
  6. Step 6: Final answer
    x = 598,800.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.