Home / 984,876.30-1,477,314.45-423,910.80

Finding the Fourth Proportional to 984,876.30, 1,477,314.45 and 423,910.80

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Solution

The fourth proportional to 984,876.30, 1,477,314.45 and 423,910.80 is: 635,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,876.30 : 1,477,314.45 = 423,910.80 : x
  2. Step 2: Convert to fraction form
    984,876.30/1,477,314.45 = 423,910.80/x
  3. Step 3: Cross multiply
    984,876.30x = 1,477,314.45 × 423,910.80
  4. Step 4: Simplify right side
    984,876.30x = 626,249,550,351.06
  5. Step 5: Solve for x
    x = 626,249,550,351.06/984,876.30
  6. Step 6: Final answer
    x = 635,866.20

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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.