Home / 778,893.32-1,074,464.16-676,689.14

Finding the Fourth Proportional to 778,893.32, 1,074,464.16 and 676,689.14

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Solution

The fourth proportional to 778,893.32, 1,074,464.16 and 676,689.14 is: 933,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,893.32 : 1,074,464.16 = 676,689.14 : x
  2. Step 2: Convert to fraction form
    778,893.32/1,074,464.16 = 676,689.14/x
  3. Step 3: Cross multiply
    778,893.32x = 1,074,464.16 × 676,689.14
  4. Step 4: Simplify right side
    778,893.32x = 727,078,228,539.80
  5. Step 5: Solve for x
    x = 727,078,228,539.80/778,893.32
  6. Step 6: Final answer
    x = 933,476.01

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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.