Home / 788,363.78-1,182,733.95-255,886.34

Finding the Fourth Proportional to 788,363.78, 1,182,733.95 and 255,886.34

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Solution

The fourth proportional to 788,363.78, 1,182,733.95 and 255,886.34 is: 383,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,363.78 : 1,182,733.95 = 255,886.34 : x
  2. Step 2: Convert to fraction form
    788,363.78/1,182,733.95 = 255,886.34/x
  3. Step 3: Cross multiply
    788,363.78x = 1,182,733.95 × 255,886.34
  4. Step 4: Simplify right side
    788,363.78x = 302,645,461,659.24
  5. Step 5: Solve for x
    x = 302,645,461,659.24/788,363.78
  6. Step 6: Final answer
    x = 383,890.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.