Home / 785,858.40-1,177,948.32-448,171.92

Finding the Fourth Proportional to 785,858.40, 1,177,948.32 and 448,171.92

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Solution

The fourth proportional to 785,858.40, 1,177,948.32 and 448,171.92 is: 671,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,858.40 : 1,177,948.32 = 448,171.92 : x
  2. Step 2: Convert to fraction form
    785,858.40/1,177,948.32 = 448,171.92/x
  3. Step 3: Cross multiply
    785,858.40x = 1,177,948.32 × 448,171.92
  4. Step 4: Simplify right side
    785,858.40x = 527,923,360,235.17
  5. Step 5: Solve for x
    x = 527,923,360,235.17/785,858.40
  6. Step 6: Final answer
    x = 671,779.24

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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.