Home / 746,288.68-1,029,878.76-423,999.36

Finding the Fourth Proportional to 746,288.68, 1,029,878.76 and 423,999.36

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Solution

The fourth proportional to 746,288.68, 1,029,878.76 and 423,999.36 is: 585,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,288.68 : 1,029,878.76 = 423,999.36 : x
  2. Step 2: Convert to fraction form
    746,288.68/1,029,878.76 = 423,999.36/x
  3. Step 3: Cross multiply
    746,288.68x = 1,029,878.76 × 423,999.36
  4. Step 4: Simplify right side
    746,288.68x = 436,667,935,117.59
  5. Step 5: Solve for x
    x = 436,667,935,117.59/746,288.68
  6. Step 6: Final answer
    x = 585,119.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.