Home / 778,894.32-1,074,465.54-676,690.14

Finding the Fourth Proportional to 778,894.32, 1,074,465.54 and 676,690.14

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Solution

The fourth proportional to 778,894.32, 1,074,465.54 and 676,690.14 is: 933,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,894.32 : 1,074,465.54 = 676,690.14 : x
  2. Step 2: Convert to fraction form
    778,894.32/1,074,465.54 = 676,690.14/x
  3. Step 3: Cross multiply
    778,894.32x = 1,074,465.54 × 676,690.14
  4. Step 4: Simplify right side
    778,894.32x = 727,080,236,687.78
  5. Step 5: Solve for x
    x = 727,080,236,687.78/778,894.32
  6. Step 6: Final answer
    x = 933,477.39

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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.