Home / 830,487.88-1,146,072.99-448,514.74

Finding the Fourth Proportional to 830,487.88, 1,146,072.99 and 448,514.74

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Solution

The fourth proportional to 830,487.88, 1,146,072.99 and 448,514.74 is: 618,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,487.88 : 1,146,072.99 = 448,514.74 : x
  2. Step 2: Convert to fraction form
    830,487.88/1,146,072.99 = 448,514.74/x
  3. Step 3: Cross multiply
    830,487.88x = 1,146,072.99 × 448,514.74
  4. Step 4: Simplify right side
    830,487.88x = 514,030,629,130.87
  5. Step 5: Solve for x
    x = 514,030,629,130.87/830,487.88
  6. Step 6: Final answer
    x = 618,950.19

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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.