Home / 578,725.04-867,387.72-298,089.20

Finding the Fourth Proportional to 578,725.04, 867,387.72 and 298,089.20

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Solution

The fourth proportional to 578,725.04, 867,387.72 and 298,089.20 is: 446,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,725.04 : 867,387.72 = 298,089.20 : x
  2. Step 2: Convert to fraction form
    578,725.04/867,387.72 = 298,089.20/x
  3. Step 3: Cross multiply
    578,725.04x = 867,387.72 × 298,089.20
  4. Step 4: Simplify right side
    578,725.04x = 258,558,911,544.62
  5. Step 5: Solve for x
    x = 258,558,911,544.62/578,725.04
  6. Step 6: Final answer
    x = 446,773.33

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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.