Home / 935,503.67-1,290,994.74-505,783.69

Finding the Fourth Proportional to 935,503.67, 1,290,994.74 and 505,783.69

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Solution

The fourth proportional to 935,503.67, 1,290,994.74 and 505,783.69 is: 697,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,503.67 : 1,290,994.74 = 505,783.69 : x
  2. Step 2: Convert to fraction form
    935,503.67/1,290,994.74 = 505,783.69/x
  3. Step 3: Cross multiply
    935,503.67x = 1,290,994.74 × 505,783.69
  4. Step 4: Simplify right side
    935,503.67x = 652,964,080,140.30
  5. Step 5: Solve for x
    x = 652,964,080,140.30/935,503.67
  6. Step 6: Final answer
    x = 697,981.31

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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.