Home / 974,233.80-1,461,350.70-638,310.60

Finding the Fourth Proportional to 974,233.80, 1,461,350.70 and 638,310.60

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Solution

The fourth proportional to 974,233.80, 1,461,350.70 and 638,310.60 is: 957,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,233.80 : 1,461,350.70 = 638,310.60 : x
  2. Step 2: Convert to fraction form
    974,233.80/1,461,350.70 = 638,310.60/x
  3. Step 3: Cross multiply
    974,233.80x = 1,461,350.70 × 638,310.60
  4. Step 4: Simplify right side
    974,233.80x = 932,795,642,127.42
  5. Step 5: Solve for x
    x = 932,795,642,127.42/974,233.80
  6. Step 6: Final answer
    x = 957,465.90

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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.