Home / 830,678.96-1,245,486.12-350,776.76

Finding the Fourth Proportional to 830,678.96, 1,245,486.12 and 350,776.76

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Solution

The fourth proportional to 830,678.96, 1,245,486.12 and 350,776.76 is: 525,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,678.96 : 1,245,486.12 = 350,776.76 : x
  2. Step 2: Convert to fraction form
    830,678.96/1,245,486.12 = 350,776.76/x
  3. Step 3: Cross multiply
    830,678.96x = 1,245,486.12 × 350,776.76
  4. Step 4: Simplify right side
    830,678.96x = 436,887,585,798.57
  5. Step 5: Solve for x
    x = 436,887,585,798.57/830,678.96
  6. Step 6: Final answer
    x = 525,940.35

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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.