Home / 915,653.03-1,263,665.88-507,793.93

Finding the Fourth Proportional to 915,653.03, 1,263,665.88 and 507,793.93

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Solution

The fourth proportional to 915,653.03, 1,263,665.88 and 507,793.93 is: 700,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,653.03 : 1,263,665.88 = 507,793.93 : x
  2. Step 2: Convert to fraction form
    915,653.03/1,263,665.88 = 507,793.93/x
  3. Step 3: Cross multiply
    915,653.03x = 1,263,665.88 × 507,793.93
  4. Step 4: Simplify right side
    915,653.03x = 641,681,860,252.94
  5. Step 5: Solve for x
    x = 641,681,860,252.94/915,653.03
  6. Step 6: Final answer
    x = 700,791.50

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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.