Home / 679,327.83-1,018,991.10-173,888.01

Finding the Fourth Proportional to 679,327.83, 1,018,991.10 and 173,888.01

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Solution

The fourth proportional to 679,327.83, 1,018,991.10 and 173,888.01 is: 260,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,327.83 : 1,018,991.10 = 173,888.01 : x
  2. Step 2: Convert to fraction form
    679,327.83/1,018,991.10 = 173,888.01/x
  3. Step 3: Cross multiply
    679,327.83x = 1,018,991.10 × 173,888.01
  4. Step 4: Simplify right side
    679,327.83x = 177,190,334,586.71
  5. Step 5: Solve for x
    x = 177,190,334,586.71/679,327.83
  6. Step 6: Final answer
    x = 260,831.85

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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.