Home / 974,446.30-1,461,669.45-638,523.10

Finding the Fourth Proportional to 974,446.30, 1,461,669.45 and 638,523.10

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Solution

The fourth proportional to 974,446.30, 1,461,669.45 and 638,523.10 is: 957,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,446.30 : 1,461,669.45 = 638,523.10 : x
  2. Step 2: Convert to fraction form
    974,446.30/1,461,669.45 = 638,523.10/x
  3. Step 3: Cross multiply
    974,446.30x = 1,461,669.45 × 638,523.10
  4. Step 4: Simplify right side
    974,446.30x = 933,309,708,389.30
  5. Step 5: Solve for x
    x = 933,309,708,389.30/974,446.30
  6. Step 6: Final answer
    x = 957,784.65

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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.