Home / 772,627.26-1,159,259.76-417,222.78

Finding the Fourth Proportional to 772,627.26, 1,159,259.76 and 417,222.78

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Solution

The fourth proportional to 772,627.26, 1,159,259.76 and 417,222.78 is: 626,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,627.26 : 1,159,259.76 = 417,222.78 : x
  2. Step 2: Convert to fraction form
    772,627.26/1,159,259.76 = 417,222.78/x
  3. Step 3: Cross multiply
    772,627.26x = 1,159,259.76 × 417,222.78
  4. Step 4: Simplify right side
    772,627.26x = 483,669,579,809.33
  5. Step 5: Solve for x
    x = 483,669,579,809.33/772,627.26
  6. Step 6: Final answer
    x = 626,006.36

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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.