Home / 786,584.22-1,084,869.55-538,373.28

Finding the Fourth Proportional to 786,584.22, 1,084,869.55 and 538,373.28

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Solution

The fourth proportional to 786,584.22, 1,084,869.55 and 538,373.28 is: 742,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,584.22 : 1,084,869.55 = 538,373.28 : x
  2. Step 2: Convert to fraction form
    786,584.22/1,084,869.55 = 538,373.28/x
  3. Step 3: Cross multiply
    786,584.22x = 1,084,869.55 × 538,373.28
  4. Step 4: Simplify right side
    786,584.22x = 584,064,782,746.85
  5. Step 5: Solve for x
    x = 584,064,782,746.85/786,584.22
  6. Step 6: Final answer
    x = 742,533.06

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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.