Home / 935,495.39-1,290,983.50-505,775.53

Finding the Fourth Proportional to 935,495.39, 1,290,983.50 and 505,775.53

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Solution

The fourth proportional to 935,495.39, 1,290,983.50 and 505,775.53 is: 697,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,495.39 : 1,290,983.50 = 505,775.53 : x
  2. Step 2: Convert to fraction form
    935,495.39/1,290,983.50 = 505,775.53/x
  3. Step 3: Cross multiply
    935,495.39x = 1,290,983.50 × 505,775.53
  4. Step 4: Simplify right side
    935,495.39x = 652,947,858,917.92
  5. Step 5: Solve for x
    x = 652,947,858,917.92/935,495.39
  6. Step 6: Final answer
    x = 697,970.15

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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.