Home / 670,852.76-1,003,739.89-397,445.81

Finding the Fourth Proportional to 670,852.76, 1,003,739.89 and 397,445.81

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Solution

The fourth proportional to 670,852.76, 1,003,739.89 and 397,445.81 is: 594,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,852.76 : 1,003,739.89 = 397,445.81 : x
  2. Step 2: Convert to fraction form
    670,852.76/1,003,739.89 = 397,445.81/x
  3. Step 3: Cross multiply
    670,852.76x = 1,003,739.89 × 397,445.81
  4. Step 4: Simplify right side
    670,852.76x = 398,932,214,094.51
  5. Step 5: Solve for x
    x = 398,932,214,094.51/670,852.76
  6. Step 6: Final answer
    x = 594,664.34

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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.