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Finding the Fourth Proportional to 560,653.84, 773,718.92 and 306,021.52

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Solution

The fourth proportional to 560,653.84, 773,718.92 and 306,021.52 is: 422,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,653.84 : 773,718.92 = 306,021.52 : x
  2. Step 2: Convert to fraction form
    560,653.84/773,718.92 = 306,021.52/x
  3. Step 3: Cross multiply
    560,653.84x = 773,718.92 × 306,021.52
  4. Step 4: Simplify right side
    560,653.84x = 236,774,639,951.16
  5. Step 5: Solve for x
    x = 236,774,639,951.16/560,653.84
  6. Step 6: Final answer
    x = 422,318.77

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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.