Home / 915,765.23-1,263,820.77-507,905.93

Finding the Fourth Proportional to 915,765.23, 1,263,820.77 and 507,905.93

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Solution

The fourth proportional to 915,765.23, 1,263,820.77 and 507,905.93 is: 700,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,765.23 : 1,263,820.77 = 507,905.93 : x
  2. Step 2: Convert to fraction form
    915,765.23/1,263,820.77 = 507,905.93/x
  3. Step 3: Cross multiply
    915,765.23x = 1,263,820.77 × 507,905.93
  4. Step 4: Simplify right side
    915,765.23x = 641,902,057,221.06
  5. Step 5: Solve for x
    x = 641,902,057,221.06/915,765.23
  6. Step 6: Final answer
    x = 700,946.09

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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.