Home / 830,501.30-1,245,751.95-822,628.10

Finding the Fourth Proportional to 830,501.30, 1,245,751.95 and 822,628.10

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Solution

The fourth proportional to 830,501.30, 1,245,751.95 and 822,628.10 is: 1,233,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,501.30 : 1,245,751.95 = 822,628.10 : x
  2. Step 2: Convert to fraction form
    830,501.30/1,245,751.95 = 822,628.10/x
  3. Step 3: Cross multiply
    830,501.30x = 1,245,751.95 × 822,628.10
  4. Step 4: Simplify right side
    830,501.30x = 1,024,790,559,699.80
  5. Step 5: Solve for x
    x = 1,024,790,559,699.80/830,501.30
  6. Step 6: Final answer
    x = 1,233,942.15

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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.