Home / 907,818.88-1,252,712.64-505,448.32

Finding the Fourth Proportional to 907,818.88, 1,252,712.64 and 505,448.32

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Solution

The fourth proportional to 907,818.88, 1,252,712.64 and 505,448.32 is: 697,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,818.88 : 1,252,712.64 = 505,448.32 : x
  2. Step 2: Convert to fraction form
    907,818.88/1,252,712.64 = 505,448.32/x
  3. Step 3: Cross multiply
    907,818.88x = 1,252,712.64 × 505,448.32
  4. Step 4: Simplify right side
    907,818.88x = 633,181,499,330.77
  5. Step 5: Solve for x
    x = 633,181,499,330.77/907,818.88
  6. Step 6: Final answer
    x = 697,475.58

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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.