Home / 935,451.64-1,290,923.38-505,731.65

Finding the Fourth Proportional to 935,451.64, 1,290,923.38 and 505,731.65

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Solution

The fourth proportional to 935,451.64, 1,290,923.38 and 505,731.65 is: 697,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,451.64 : 1,290,923.38 = 505,731.65 : x
  2. Step 2: Convert to fraction form
    935,451.64/1,290,923.38 = 505,731.65/x
  3. Step 3: Cross multiply
    935,451.64x = 1,290,923.38 × 505,731.65
  4. Step 4: Simplify right side
    935,451.64x = 652,860,809,585.23
  5. Step 5: Solve for x
    x = 652,860,809,585.23/935,451.64
  6. Step 6: Final answer
    x = 697,909.74

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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.