Home / 898,038.88-1,239,291.12-495,628

Finding the Fourth Proportional to 898,038.88, 1,239,291.12 and 495,628

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Solution

The fourth proportional to 898,038.88, 1,239,291.12 and 495,628 is: 683,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,038.88 : 1,239,291.12 = 495,628 : x
  2. Step 2: Convert to fraction form
    898,038.88/1,239,291.12 = 495,628/x
  3. Step 3: Cross multiply
    898,038.88x = 1,239,291.12 × 495,628
  4. Step 4: Simplify right side
    898,038.88x = 614,227,379,223.36
  5. Step 5: Solve for x
    x = 614,227,379,223.36/898,038.88
  6. Step 6: Final answer
    x = 683,965.24

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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.