Home / 889,387.62-1,333,678.02-383,709.48

Finding the Fourth Proportional to 889,387.62, 1,333,678.02 and 383,709.48

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Solution

The fourth proportional to 889,387.62, 1,333,678.02 and 383,709.48 is: 575,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,387.62 : 1,333,678.02 = 383,709.48 : x
  2. Step 2: Convert to fraction form
    889,387.62/1,333,678.02 = 383,709.48/x
  3. Step 3: Cross multiply
    889,387.62x = 1,333,678.02 × 383,709.48
  4. Step 4: Simplify right side
    889,387.62x = 511,744,899,541.63
  5. Step 5: Solve for x
    x = 511,744,899,541.63/889,387.62
  6. Step 6: Final answer
    x = 575,390.18

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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.