Home / 830,433.03-1,145,997.57-448,459.80

Finding the Fourth Proportional to 830,433.03, 1,145,997.57 and 448,459.80

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Solution

The fourth proportional to 830,433.03, 1,145,997.57 and 448,459.80 is: 618,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,433.03 : 1,145,997.57 = 448,459.80 : x
  2. Step 2: Convert to fraction form
    830,433.03/1,145,997.57 = 448,459.80/x
  3. Step 3: Cross multiply
    830,433.03x = 1,145,997.57 × 448,459.80
  4. Step 4: Simplify right side
    830,433.03x = 513,933,841,042.69
  5. Step 5: Solve for x
    x = 513,933,841,042.69/830,433.03
  6. Step 6: Final answer
    x = 618,874.52

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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.