Home / 893,721.60-1,339,804.80-538,358.40

Finding the Fourth Proportional to 893,721.60, 1,339,804.80 and 538,358.40

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Solution

The fourth proportional to 893,721.60, 1,339,804.80 and 538,358.40 is: 807,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,721.60 : 1,339,804.80 = 538,358.40 : x
  2. Step 2: Convert to fraction form
    893,721.60/1,339,804.80 = 538,358.40/x
  3. Step 3: Cross multiply
    893,721.60x = 1,339,804.80 × 538,358.40
  4. Step 4: Simplify right side
    893,721.60x = 721,295,168,440.32
  5. Step 5: Solve for x
    x = 721,295,168,440.32/893,721.60
  6. Step 6: Final answer
    x = 807,069.19

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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.