Home / 788,974.08-1,088,527.83-482,731.20

Finding the Fourth Proportional to 788,974.08, 1,088,527.83 and 482,731.20

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Solution

The fourth proportional to 788,974.08, 1,088,527.83 and 482,731.20 is: 666,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,974.08 : 1,088,527.83 = 482,731.20 : x
  2. Step 2: Convert to fraction form
    788,974.08/1,088,527.83 = 482,731.20/x
  3. Step 3: Cross multiply
    788,974.08x = 1,088,527.83 × 482,731.20
  4. Step 4: Simplify right side
    788,974.08x = 525,466,345,609.30
  5. Step 5: Solve for x
    x = 525,466,345,609.30/788,974.08
  6. Step 6: Final answer
    x = 666,012.18

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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.