Home / 790,714.86-1,090,740.84-500,236.26

Finding the Fourth Proportional to 790,714.86, 1,090,740.84 and 500,236.26

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Solution

The fourth proportional to 790,714.86, 1,090,740.84 and 500,236.26 is: 690,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,714.86 : 1,090,740.84 = 500,236.26 : x
  2. Step 2: Convert to fraction form
    790,714.86/1,090,740.84 = 500,236.26/x
  3. Step 3: Cross multiply
    790,714.86x = 1,090,740.84 × 500,236.26
  4. Step 4: Simplify right side
    790,714.86x = 545,628,118,430.86
  5. Step 5: Solve for x
    x = 545,628,118,430.86/790,714.86
  6. Step 6: Final answer
    x = 690,044.09

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1.5x scale

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.