Home / 495,352.04-683,588.44-280,533.92

Finding the Fourth Proportional to 495,352.04, 683,588.44 and 280,533.92

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Solution

The fourth proportional to 495,352.04, 683,588.44 and 280,533.92 is: 387,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,352.04 : 683,588.44 = 280,533.92 : x
  2. Step 2: Convert to fraction form
    495,352.04/683,588.44 = 280,533.92/x
  3. Step 3: Cross multiply
    495,352.04x = 683,588.44 × 280,533.92
  4. Step 4: Simplify right side
    495,352.04x = 191,769,744,739.89
  5. Step 5: Solve for x
    x = 191,769,744,739.89/495,352.04
  6. Step 6: Final answer
    x = 387,138.30

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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.