Home / 897,672.33-1,238,618.61-535,129.92

Finding the Fourth Proportional to 897,672.33, 1,238,618.61 and 535,129.92

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Solution

The fourth proportional to 897,672.33, 1,238,618.61 and 535,129.92 is: 738,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,672.33 : 1,238,618.61 = 535,129.92 : x
  2. Step 2: Convert to fraction form
    897,672.33/1,238,618.61 = 535,129.92/x
  3. Step 3: Cross multiply
    897,672.33x = 1,238,618.61 × 535,129.92
  4. Step 4: Simplify right side
    897,672.33x = 662,821,877,679.81
  5. Step 5: Solve for x
    x = 662,821,877,679.81/897,672.33
  6. Step 6: Final answer
    x = 738,378.42

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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.