Home / 898,030.88-1,239,280.08-495,620

Finding the Fourth Proportional to 898,030.88, 1,239,280.08 and 495,620

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Solution

The fourth proportional to 898,030.88, 1,239,280.08 and 495,620 is: 683,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,030.88 : 1,239,280.08 = 495,620 : x
  2. Step 2: Convert to fraction form
    898,030.88/1,239,280.08 = 495,620/x
  3. Step 3: Cross multiply
    898,030.88x = 1,239,280.08 × 495,620
  4. Step 4: Simplify right side
    898,030.88x = 614,211,993,249.60
  5. Step 5: Solve for x
    x = 614,211,993,249.60/898,030.88
  6. Step 6: Final answer
    x = 683,954.20

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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.