Home / 788,161.16-1,182,407.88-255,640.76

Finding the Fourth Proportional to 788,161.16, 1,182,407.88 and 255,640.76

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Solution

The fourth proportional to 788,161.16, 1,182,407.88 and 255,640.76 is: 383,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,161.16 : 1,182,407.88 = 255,640.76 : x
  2. Step 2: Convert to fraction form
    788,161.16/1,182,407.88 = 255,640.76/x
  3. Step 3: Cross multiply
    788,161.16x = 1,182,407.88 × 255,640.76
  4. Step 4: Simplify right side
    788,161.16x = 302,271,649,073.19
  5. Step 5: Solve for x
    x = 302,271,649,073.19/788,161.16
  6. Step 6: Final answer
    x = 383,515.03

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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.