Home / 679,805.01-1,018,788.95-258,851.25

Finding the Fourth Proportional to 679,805.01, 1,018,788.95 and 258,851.25

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Solution

The fourth proportional to 679,805.01, 1,018,788.95 and 258,851.25 is: 387,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,805.01 : 1,018,788.95 = 258,851.25 : x
  2. Step 2: Convert to fraction form
    679,805.01/1,018,788.95 = 258,851.25/x
  3. Step 3: Cross multiply
    679,805.01x = 1,018,788.95 × 258,851.25
  4. Step 4: Simplify right side
    679,805.01x = 263,714,793,193.69
  5. Step 5: Solve for x
    x = 263,714,793,193.69/679,805.01
  6. Step 6: Final answer
    x = 387,927.11

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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.