Home / 889,725.78-1,334,578.23-357,237.45

Finding the Fourth Proportional to 889,725.78, 1,334,578.23 and 357,237.45

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Solution

The fourth proportional to 889,725.78, 1,334,578.23 and 357,237.45 is: 535,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,725.78 : 1,334,578.23 = 357,237.45 : x
  2. Step 2: Convert to fraction form
    889,725.78/1,334,578.23 = 357,237.45/x
  3. Step 3: Cross multiply
    889,725.78x = 1,334,578.23 × 357,237.45
  4. Step 4: Simplify right side
    889,725.78x = 476,761,323,710.71
  5. Step 5: Solve for x
    x = 476,761,323,710.71/889,725.78
  6. Step 6: Final answer
    x = 535,851.98

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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.