Home / 864,628.08-1,296,890.72-265,594.88

Finding the Fourth Proportional to 864,628.08, 1,296,890.72 and 265,594.88

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Solution

The fourth proportional to 864,628.08, 1,296,890.72 and 265,594.88 is: 398,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,628.08 : 1,296,890.72 = 265,594.88 : x
  2. Step 2: Convert to fraction form
    864,628.08/1,296,890.72 = 265,594.88/x
  3. Step 3: Cross multiply
    864,628.08x = 1,296,890.72 × 265,594.88
  4. Step 4: Simplify right side
    864,628.08x = 344,447,535,151.51
  5. Step 5: Solve for x
    x = 344,447,535,151.51/864,628.08
  6. Step 6: Final answer
    x = 398,376.53

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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.