Home / 492,784.17-680,041.20-277,923.57

Finding the Fourth Proportional to 492,784.17, 680,041.20 and 277,923.57

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Solution

The fourth proportional to 492,784.17, 680,041.20 and 277,923.57 is: 383,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,784.17 : 680,041.20 = 277,923.57 : x
  2. Step 2: Convert to fraction form
    492,784.17/680,041.20 = 277,923.57/x
  3. Step 3: Cross multiply
    492,784.17x = 680,041.20 × 277,923.57
  4. Step 4: Simplify right side
    492,784.17x = 188,999,478,051.08
  5. Step 5: Solve for x
    x = 188,999,478,051.08/492,784.17
  6. Step 6: Final answer
    x = 383,533.99

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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.