Home / 777,953.60-1,166,826.72-216,941.12

Finding the Fourth Proportional to 777,953.60, 1,166,826.72 and 216,941.12

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Solution

The fourth proportional to 777,953.60, 1,166,826.72 and 216,941.12 is: 325,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,953.60 : 1,166,826.72 = 216,941.12 : x
  2. Step 2: Convert to fraction form
    777,953.60/1,166,826.72 = 216,941.12/x
  3. Step 3: Cross multiply
    777,953.60x = 1,166,826.72 × 216,941.12
  4. Step 4: Simplify right side
    777,953.60x = 253,132,695,482.73
  5. Step 5: Solve for x
    x = 253,132,695,482.73/777,953.60
  6. Step 6: Final answer
    x = 325,382.77

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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.