Home / 838,495.67-1,157,065.62-475,926.90

Finding the Fourth Proportional to 838,495.67, 1,157,065.62 and 475,926.90

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Solution

The fourth proportional to 838,495.67, 1,157,065.62 and 475,926.90 is: 656,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,495.67 : 1,157,065.62 = 475,926.90 : x
  2. Step 2: Convert to fraction form
    838,495.67/1,157,065.62 = 475,926.90/x
  3. Step 3: Cross multiply
    838,495.67x = 1,157,065.62 × 475,926.90
  4. Step 4: Simplify right side
    838,495.67x = 550,678,653,623.18
  5. Step 5: Solve for x
    x = 550,678,653,623.18/838,495.67
  6. Step 6: Final answer
    x = 656,745.98

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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.