Home / 862,502.39-1,190,225.39-495,040.02

Finding the Fourth Proportional to 862,502.39, 1,190,225.39 and 495,040.02

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Solution

The fourth proportional to 862,502.39, 1,190,225.39 and 495,040.02 is: 683,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,502.39 : 1,190,225.39 = 495,040.02 : x
  2. Step 2: Convert to fraction form
    862,502.39/1,190,225.39 = 495,040.02/x
  3. Step 3: Cross multiply
    862,502.39x = 1,190,225.39 × 495,040.02
  4. Step 4: Simplify right side
    862,502.39x = 589,209,200,870.11
  5. Step 5: Solve for x
    x = 589,209,200,870.11/862,502.39
  6. Step 6: Final answer
    x = 683,139.21

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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.