Home / 778,894.83-1,074,466.23-676,690.65

Finding the Fourth Proportional to 778,894.83, 1,074,466.23 and 676,690.65

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Solution

The fourth proportional to 778,894.83, 1,074,466.23 and 676,690.65 is: 933,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,894.83 : 1,074,466.23 = 676,690.65 : x
  2. Step 2: Convert to fraction form
    778,894.83/1,074,466.23 = 676,690.65/x
  3. Step 3: Cross multiply
    778,894.83x = 1,074,466.23 × 676,690.65
  4. Step 4: Simplify right side
    778,894.83x = 727,081,251,581.75
  5. Step 5: Solve for x
    x = 727,081,251,581.75/778,894.83
  6. Step 6: Final answer
    x = 933,478.08

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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.