Home / 898,031.88-1,239,281.46-495,621

Finding the Fourth Proportional to 898,031.88, 1,239,281.46 and 495,621

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Solution

The fourth proportional to 898,031.88, 1,239,281.46 and 495,621 is: 683,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,031.88 : 1,239,281.46 = 495,621 : x
  2. Step 2: Convert to fraction form
    898,031.88/1,239,281.46 = 495,621/x
  3. Step 3: Cross multiply
    898,031.88x = 1,239,281.46 × 495,621
  4. Step 4: Simplify right side
    898,031.88x = 614,213,916,486.66
  5. Step 5: Solve for x
    x = 614,213,916,486.66/898,031.88
  6. Step 6: Final answer
    x = 683,955.58

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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.