Home / 825,693.76-1,139,699.36-539,258.40

Finding the Fourth Proportional to 825,693.76, 1,139,699.36 and 539,258.40

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Solution

The fourth proportional to 825,693.76, 1,139,699.36 and 539,258.40 is: 744,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,693.76 : 1,139,699.36 = 539,258.40 : x
  2. Step 2: Convert to fraction form
    825,693.76/1,139,699.36 = 539,258.40/x
  3. Step 3: Cross multiply
    825,693.76x = 1,139,699.36 × 539,258.40
  4. Step 4: Simplify right side
    825,693.76x = 614,592,453,354.62
  5. Step 5: Solve for x
    x = 614,592,453,354.62/825,693.76
  6. Step 6: Final answer
    x = 744,334.62

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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.