Home / 889,853.76-1,334,780.64-416,871.36

Finding the Fourth Proportional to 889,853.76, 1,334,780.64 and 416,871.36

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Solution

The fourth proportional to 889,853.76, 1,334,780.64 and 416,871.36 is: 625,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,853.76 : 1,334,780.64 = 416,871.36 : x
  2. Step 2: Convert to fraction form
    889,853.76/1,334,780.64 = 416,871.36/x
  3. Step 3: Cross multiply
    889,853.76x = 1,334,780.64 × 416,871.36
  4. Step 4: Simplify right side
    889,853.76x = 556,431,820,698.47
  5. Step 5: Solve for x
    x = 556,431,820,698.47/889,853.76
  6. Step 6: Final answer
    x = 625,307.04

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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.