Home / 915,688.59-1,263,714.93-507,829.44

Finding the Fourth Proportional to 915,688.59, 1,263,714.93 and 507,829.44

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Solution

The fourth proportional to 915,688.59, 1,263,714.93 and 507,829.44 is: 700,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,688.59 : 1,263,714.93 = 507,829.44 : x
  2. Step 2: Convert to fraction form
    915,688.59/1,263,714.93 = 507,829.44/x
  3. Step 3: Cross multiply
    915,688.59x = 1,263,714.93 × 507,829.44
  4. Step 4: Simplify right side
    915,688.59x = 641,751,645,221.54
  5. Step 5: Solve for x
    x = 641,751,645,221.54/915,688.59
  6. Step 6: Final answer
    x = 700,840.50

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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.