Home / 883,212.28-1,218,829.48-495,973.96

Finding the Fourth Proportional to 883,212.28, 1,218,829.48 and 495,973.96

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Solution

The fourth proportional to 883,212.28, 1,218,829.48 and 495,973.96 is: 684,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,212.28 : 1,218,829.48 = 495,973.96 : x
  2. Step 2: Convert to fraction form
    883,212.28/1,218,829.48 = 495,973.96/x
  3. Step 3: Cross multiply
    883,212.28x = 1,218,829.48 × 495,973.96
  4. Step 4: Simplify right side
    883,212.28x = 604,507,683,760.34
  5. Step 5: Solve for x
    x = 604,507,683,760.34/883,212.28
  6. Step 6: Final answer
    x = 684,442.12

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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.