Home / 745,860.80-1,116,166.80-509,664.80

Finding the Fourth Proportional to 745,860.80, 1,116,166.80 and 509,664.80

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Solution

The fourth proportional to 745,860.80, 1,116,166.80 and 509,664.80 is: 762,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,860.80 : 1,116,166.80 = 509,664.80 : x
  2. Step 2: Convert to fraction form
    745,860.80/1,116,166.80 = 509,664.80/x
  3. Step 3: Cross multiply
    745,860.80x = 1,116,166.80 × 509,664.80
  4. Step 4: Simplify right side
    745,860.80x = 568,870,928,888.64
  5. Step 5: Solve for x
    x = 568,870,928,888.64/745,860.80
  6. Step 6: Final answer
    x = 762,703.88

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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.