Home / 515,050.32-710,455.50-340,620.24

Finding the Fourth Proportional to 515,050.32, 710,455.50 and 340,620.24

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Solution

The fourth proportional to 515,050.32, 710,455.50 and 340,620.24 is: 469,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,050.32 : 710,455.50 = 340,620.24 : x
  2. Step 2: Convert to fraction form
    515,050.32/710,455.50 = 340,620.24/x
  3. Step 3: Cross multiply
    515,050.32x = 710,455.50 × 340,620.24
  4. Step 4: Simplify right side
    515,050.32x = 241,995,522,919.32
  5. Step 5: Solve for x
    x = 241,995,522,919.32/515,050.32
  6. Step 6: Final answer
    x = 469,848.31

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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.