Home / 898,291.50-1,239,643.35-495,883.50

Finding the Fourth Proportional to 898,291.50, 1,239,643.35 and 495,883.50

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Solution

The fourth proportional to 898,291.50, 1,239,643.35 and 495,883.50 is: 684,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,291.50 : 1,239,643.35 = 495,883.50 : x
  2. Step 2: Convert to fraction form
    898,291.50/1,239,643.35 = 495,883.50/x
  3. Step 3: Cross multiply
    898,291.50x = 1,239,643.35 × 495,883.50
  4. Step 4: Simplify right side
    898,291.50x = 614,718,683,149.73
  5. Step 5: Solve for x
    x = 614,718,683,149.73/898,291.50
  6. Step 6: Final answer
    x = 684,319.83

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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.