Home / 893,452.80-1,338,429.60-537,409.20

Finding the Fourth Proportional to 893,452.80, 1,338,429.60 and 537,409.20

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Solution

The fourth proportional to 893,452.80, 1,338,429.60 and 537,409.20 is: 805,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,452.80 : 1,338,429.60 = 537,409.20 : x
  2. Step 2: Convert to fraction form
    893,452.80/1,338,429.60 = 537,409.20/x
  3. Step 3: Cross multiply
    893,452.80x = 1,338,429.60 × 537,409.20
  4. Step 4: Simplify right side
    893,452.80x = 719,284,380,592.32
  5. Step 5: Solve for x
    x = 719,284,380,592.32/893,452.80
  6. Step 6: Final answer
    x = 805,061.42

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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.