Home / 672,386.40-1,008,579.60-483,429.60

Finding the Fourth Proportional to 672,386.40, 1,008,579.60 and 483,429.60

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Solution

The fourth proportional to 672,386.40, 1,008,579.60 and 483,429.60 is: 725,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,386.40 : 1,008,579.60 = 483,429.60 : x
  2. Step 2: Convert to fraction form
    672,386.40/1,008,579.60 = 483,429.60/x
  3. Step 3: Cross multiply
    672,386.40x = 1,008,579.60 × 483,429.60
  4. Step 4: Simplify right side
    672,386.40x = 487,577,232,596.16
  5. Step 5: Solve for x
    x = 487,577,232,596.16/672,386.40
  6. Step 6: Final answer
    x = 725,144.40

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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.