Home / 816,757.52-1,127,027.40-454,090.32

Finding the Fourth Proportional to 816,757.52, 1,127,027.40 and 454,090.32

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Solution

The fourth proportional to 816,757.52, 1,127,027.40 and 454,090.32 is: 626,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,757.52 : 1,127,027.40 = 454,090.32 : x
  2. Step 2: Convert to fraction form
    816,757.52/1,127,027.40 = 454,090.32/x
  3. Step 3: Cross multiply
    816,757.52x = 1,127,027.40 × 454,090.32
  4. Step 4: Simplify right side
    816,757.52x = 511,772,232,714.77
  5. Step 5: Solve for x
    x = 511,772,232,714.77/816,757.52
  6. Step 6: Final answer
    x = 626,590.17

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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.