Home / 788,686.80-1,182,738.60-256,225.20

Finding the Fourth Proportional to 788,686.80, 1,182,738.60 and 256,225.20

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Solution

The fourth proportional to 788,686.80, 1,182,738.60 and 256,225.20 is: 384,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,686.80 : 1,182,738.60 = 256,225.20 : x
  2. Step 2: Convert to fraction form
    788,686.80/1,182,738.60 = 256,225.20/x
  3. Step 3: Cross multiply
    788,686.80x = 1,182,738.60 × 256,225.20
  4. Step 4: Simplify right side
    788,686.80x = 303,047,434,332.72
  5. Step 5: Solve for x
    x = 303,047,434,332.72/788,686.80
  6. Step 6: Final answer
    x = 384,243.07

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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.