Home / 830,935.80-1,246,403.70-269,970.30

Finding the Fourth Proportional to 830,935.80, 1,246,403.70 and 269,970.30

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Solution

The fourth proportional to 830,935.80, 1,246,403.70 and 269,970.30 is: 404,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,935.80 : 1,246,403.70 = 269,970.30 : x
  2. Step 2: Convert to fraction form
    830,935.80/1,246,403.70 = 269,970.30/x
  3. Step 3: Cross multiply
    830,935.80x = 1,246,403.70 × 269,970.30
  4. Step 4: Simplify right side
    830,935.80x = 336,491,980,810.11
  5. Step 5: Solve for x
    x = 336,491,980,810.11/830,935.80
  6. Step 6: Final answer
    x = 404,955.45

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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.