Home / 785,913.32-1,179,100.02-253,423.64

Finding the Fourth Proportional to 785,913.32, 1,179,100.02 and 253,423.64

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Solution

The fourth proportional to 785,913.32, 1,179,100.02 and 253,423.64 is: 380,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,913.32 : 1,179,100.02 = 253,423.64 : x
  2. Step 2: Convert to fraction form
    785,913.32/1,179,100.02 = 253,423.64/x
  3. Step 3: Cross multiply
    785,913.32x = 1,179,100.02 × 253,423.64
  4. Step 4: Simplify right side
    785,913.32x = 298,811,818,992.47
  5. Step 5: Solve for x
    x = 298,811,818,992.47/785,913.32
  6. Step 6: Final answer
    x = 380,209.64

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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.