Home / 672,362.40-1,008,543.60-483,405.60

Finding the Fourth Proportional to 672,362.40, 1,008,543.60 and 483,405.60

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Solution

The fourth proportional to 672,362.40, 1,008,543.60 and 483,405.60 is: 725,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,362.40 : 1,008,543.60 = 483,405.60 : x
  2. Step 2: Convert to fraction form
    672,362.40/1,008,543.60 = 483,405.60/x
  3. Step 3: Cross multiply
    672,362.40x = 1,008,543.60 × 483,405.60
  4. Step 4: Simplify right side
    672,362.40x = 487,535,624,084.16
  5. Step 5: Solve for x
    x = 487,535,624,084.16/672,362.40
  6. Step 6: Final answer
    x = 725,108.40

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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.