Home / 714,023.19-1,070,509.91-340,308.63

Finding the Fourth Proportional to 714,023.19, 1,070,509.91 and 340,308.63

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Solution

The fourth proportional to 714,023.19, 1,070,509.91 and 340,308.63 is: 510,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,023.19 : 1,070,509.91 = 340,308.63 : x
  2. Step 2: Convert to fraction form
    714,023.19/1,070,509.91 = 340,308.63/x
  3. Step 3: Cross multiply
    714,023.19x = 1,070,509.91 × 340,308.63
  4. Step 4: Simplify right side
    714,023.19x = 364,303,759,171.98
  5. Step 5: Solve for x
    x = 364,303,759,171.98/714,023.19
  6. Step 6: Final answer
    x = 510,212.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.