Home / 830,669.46-1,245,471.89-350,767.28

Finding the Fourth Proportional to 830,669.46, 1,245,471.89 and 350,767.28

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Solution

The fourth proportional to 830,669.46, 1,245,471.89 and 350,767.28 is: 525,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,669.46 : 1,245,471.89 = 350,767.28 : x
  2. Step 2: Convert to fraction form
    830,669.46/1,245,471.89 = 350,767.28/x
  3. Step 3: Cross multiply
    830,669.46x = 1,245,471.89 × 350,767.28
  4. Step 4: Simplify right side
    830,669.46x = 436,870,779,190.56
  5. Step 5: Solve for x
    x = 436,870,779,190.56/830,669.46
  6. Step 6: Final answer
    x = 525,926.14

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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.