Home / 769,303.60-1,154,080.80-236,824.72

Finding the Fourth Proportional to 769,303.60, 1,154,080.80 and 236,824.72

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Solution

The fourth proportional to 769,303.60, 1,154,080.80 and 236,824.72 is: 355,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,303.60 : 1,154,080.80 = 236,824.72 : x
  2. Step 2: Convert to fraction form
    769,303.60/1,154,080.80 = 236,824.72/x
  3. Step 3: Cross multiply
    769,303.60x = 1,154,080.80 × 236,824.72
  4. Step 4: Simplify right side
    769,303.60x = 273,314,862,317.38
  5. Step 5: Solve for x
    x = 273,314,862,317.38/769,303.60
  6. Step 6: Final answer
    x = 355,275.68

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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.