Home / 832,448.67-1,248,188.36-326,416.56

Finding the Fourth Proportional to 832,448.67, 1,248,188.36 and 326,416.56

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Solution

The fourth proportional to 832,448.67, 1,248,188.36 and 326,416.56 is: 489,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,448.67 : 1,248,188.36 = 326,416.56 : x
  2. Step 2: Convert to fraction form
    832,448.67/1,248,188.36 = 326,416.56/x
  3. Step 3: Cross multiply
    832,448.67x = 1,248,188.36 × 326,416.56
  4. Step 4: Simplify right side
    832,448.67x = 407,429,349,071.16
  5. Step 5: Solve for x
    x = 407,429,349,071.16/832,448.67
  6. Step 6: Final answer
    x = 489,434.80

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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.