Home / 889,254.66-1,334,094.21-290,216.97

Finding the Fourth Proportional to 889,254.66, 1,334,094.21 and 290,216.97

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Solution

The fourth proportional to 889,254.66, 1,334,094.21 and 290,216.97 is: 435,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,254.66 : 1,334,094.21 = 290,216.97 : x
  2. Step 2: Convert to fraction form
    889,254.66/1,334,094.21 = 290,216.97/x
  3. Step 3: Cross multiply
    889,254.66x = 1,334,094.21 × 290,216.97
  4. Step 4: Simplify right side
    889,254.66x = 387,176,779,320.74
  5. Step 5: Solve for x
    x = 387,176,779,320.74/889,254.66
  6. Step 6: Final answer
    x = 435,394.72

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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.