Home / 974,653.80-1,461,980.70-343,631.40

Finding the Fourth Proportional to 974,653.80, 1,461,980.70 and 343,631.40

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Solution

The fourth proportional to 974,653.80, 1,461,980.70 and 343,631.40 is: 515,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,653.80 : 1,461,980.70 = 343,631.40 : x
  2. Step 2: Convert to fraction form
    974,653.80/1,461,980.70 = 343,631.40/x
  3. Step 3: Cross multiply
    974,653.80x = 1,461,980.70 × 343,631.40
  4. Step 4: Simplify right side
    974,653.80x = 502,382,474,713.98
  5. Step 5: Solve for x
    x = 502,382,474,713.98/974,653.80
  6. Step 6: Final answer
    x = 515,447.10

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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.