Home / 495,346.28-683,580.50-280,528.16

Finding the Fourth Proportional to 495,346.28, 683,580.50 and 280,528.16

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Solution

The fourth proportional to 495,346.28, 683,580.50 and 280,528.16 is: 387,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,346.28 : 683,580.50 = 280,528.16 : x
  2. Step 2: Convert to fraction form
    495,346.28/683,580.50 = 280,528.16/x
  3. Step 3: Cross multiply
    495,346.28x = 683,580.50 × 280,528.16
  4. Step 4: Simplify right side
    495,346.28x = 191,763,578,474.24
  5. Step 5: Solve for x
    x = 191,763,578,474.24/495,346.28
  6. Step 6: Final answer
    x = 387,130.35

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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.