Home / 889,304.59-1,333,960.04-215,386.35

Finding the Fourth Proportional to 889,304.59, 1,333,960.04 and 215,386.35

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Solution

The fourth proportional to 889,304.59, 1,333,960.04 and 215,386.35 is: 323,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,304.59 : 1,333,960.04 = 215,386.35 : x
  2. Step 2: Convert to fraction form
    889,304.59/1,333,960.04 = 215,386.35/x
  3. Step 3: Cross multiply
    889,304.59x = 1,333,960.04 × 215,386.35
  4. Step 4: Simplify right side
    889,304.59x = 287,316,784,061.45
  5. Step 5: Solve for x
    x = 287,316,784,061.45/889,304.59
  6. Step 6: Final answer
    x = 323,080.29

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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.