Home / 862,928.45-1,190,790.02-495,320.66

Finding the Fourth Proportional to 862,928.45, 1,190,790.02 and 495,320.66

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Solution

The fourth proportional to 862,928.45, 1,190,790.02 and 495,320.66 is: 683,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,928.45 : 1,190,790.02 = 495,320.66 : x
  2. Step 2: Convert to fraction form
    862,928.45/1,190,790.02 = 495,320.66/x
  3. Step 3: Cross multiply
    862,928.45x = 1,190,790.02 × 495,320.66
  4. Step 4: Simplify right side
    862,928.45x = 589,822,898,627.81
  5. Step 5: Solve for x
    x = 589,822,898,627.81/862,928.45
  6. Step 6: Final answer
    x = 683,513.10

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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.