Home / 830,486.49-1,146,042.06-467,986.38

Finding the Fourth Proportional to 830,486.49, 1,146,042.06 and 467,986.38

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Solution

The fourth proportional to 830,486.49, 1,146,042.06 and 467,986.38 is: 645,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,486.49 : 1,146,042.06 = 467,986.38 : x
  2. Step 2: Convert to fraction form
    830,486.49/1,146,042.06 = 467,986.38/x
  3. Step 3: Cross multiply
    830,486.49x = 1,146,042.06 × 467,986.38
  4. Step 4: Simplify right side
    830,486.49x = 536,332,074,987.14
  5. Step 5: Solve for x
    x = 536,332,074,987.14/830,486.49
  6. Step 6: Final answer
    x = 645,804.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.