Home / 804,259.80-1,206,389.70-488,813.40

Finding the Fourth Proportional to 804,259.80, 1,206,389.70 and 488,813.40

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Solution

The fourth proportional to 804,259.80, 1,206,389.70 and 488,813.40 is: 733,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,259.80 : 1,206,389.70 = 488,813.40 : x
  2. Step 2: Convert to fraction form
    804,259.80/1,206,389.70 = 488,813.40/x
  3. Step 3: Cross multiply
    804,259.80x = 1,206,389.70 × 488,813.40
  4. Step 4: Simplify right side
    804,259.80x = 589,699,450,981.98
  5. Step 5: Solve for x
    x = 589,699,450,981.98/804,259.80
  6. Step 6: Final answer
    x = 733,220.10

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1.5x scale

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.