Home / 493,985.40-740,971.62-120,007.32

Finding the Fourth Proportional to 493,985.40, 740,971.62 and 120,007.32

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Solution

The fourth proportional to 493,985.40, 740,971.62 and 120,007.32 is: 180,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,985.40 : 740,971.62 = 120,007.32 : x
  2. Step 2: Convert to fraction form
    493,985.40/740,971.62 = 120,007.32/x
  3. Step 3: Cross multiply
    493,985.40x = 740,971.62 × 120,007.32
  4. Step 4: Simplify right side
    493,985.40x = 88,922,018,312.26
  5. Step 5: Solve for x
    x = 88,922,018,312.26/493,985.40
  6. Step 6: Final answer
    x = 180,009.41

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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.