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Finding the Fourth Proportional to 897,424, 1,238,453.02 and 489,527.65

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Solution

The fourth proportional to 897,424, 1,238,453.02 and 489,527.65 is: 675,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,424 : 1,238,453.02 = 489,527.65 : x
  2. Step 2: Convert to fraction form
    897,424/1,238,453.02 = 489,527.65/x
  3. Step 3: Cross multiply
    897,424x = 1,238,453.02 × 489,527.65
  4. Step 4: Simplify right side
    897,424x = 606,256,996,516.00
  5. Step 5: Solve for x
    x = 606,256,996,516.00/897,424
  6. Step 6: Final answer
    x = 675,552.47

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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.