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Finding the Fourth Proportional to 675,160.65, 930,226.28 and 445,312.35

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Solution

The fourth proportional to 675,160.65, 930,226.28 and 445,312.35 is: 613,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,160.65 : 930,226.28 = 445,312.35 : x
  2. Step 2: Convert to fraction form
    675,160.65/930,226.28 = 445,312.35/x
  3. Step 3: Cross multiply
    675,160.65x = 930,226.28 × 445,312.35
  4. Step 4: Simplify right side
    675,160.65x = 414,241,248,552.00
  5. Step 5: Solve for x
    x = 414,241,248,552.00/675,160.65
  6. Step 6: Final answer
    x = 613,544.71

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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.