Home / 459,941.91-689,870.57-122,970.48

Finding the Fourth Proportional to 459,941.91, 689,870.57 and 122,970.48

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Solution

The fourth proportional to 459,941.91, 689,870.57 and 122,970.48 is: 184,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,941.91 : 689,870.57 = 122,970.48 : x
  2. Step 2: Convert to fraction form
    459,941.91/689,870.57 = 122,970.48/x
  3. Step 3: Cross multiply
    459,941.91x = 689,870.57 × 122,970.48
  4. Step 4: Simplify right side
    459,941.91x = 84,833,714,515.92
  5. Step 5: Solve for x
    x = 84,833,714,515.92/459,941.91
  6. Step 6: Final answer
    x = 184,444.41

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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.