Home / 889,508.14-1,334,474.70-290,470.48

Finding the Fourth Proportional to 889,508.14, 1,334,474.70 and 290,470.48

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Solution

The fourth proportional to 889,508.14, 1,334,474.70 and 290,470.48 is: 435,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,508.14 : 1,334,474.70 = 290,470.48 : x
  2. Step 2: Convert to fraction form
    889,508.14/1,334,474.70 = 290,470.48/x
  3. Step 3: Cross multiply
    889,508.14x = 1,334,474.70 × 290,470.48
  4. Step 4: Simplify right side
    889,508.14x = 387,625,506,656.86
  5. Step 5: Solve for x
    x = 387,625,506,656.86/889,508.14
  6. Step 6: Final answer
    x = 435,775.11

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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.