Home / 826,501.68-1,239,708.48-265,492.32

Finding the Fourth Proportional to 826,501.68, 1,239,708.48 and 265,492.32

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Solution

The fourth proportional to 826,501.68, 1,239,708.48 and 265,492.32 is: 398,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,501.68 : 1,239,708.48 = 265,492.32 : x
  2. Step 2: Convert to fraction form
    826,501.68/1,239,708.48 = 265,492.32/x
  3. Step 3: Cross multiply
    826,501.68x = 1,239,708.48 × 265,492.32
  4. Step 4: Simplify right side
    826,501.68x = 329,133,080,478.87
  5. Step 5: Solve for x
    x = 329,133,080,478.87/826,501.68
  6. Step 6: Final answer
    x = 398,224.33

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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.