Home / 897,721.75-1,238,856.02-495,313.75

Finding the Fourth Proportional to 897,721.75, 1,238,856.02 and 495,313.75

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Solution

The fourth proportional to 897,721.75, 1,238,856.02 and 495,313.75 is: 683,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,721.75 : 1,238,856.02 = 495,313.75 : x
  2. Step 2: Convert to fraction form
    897,721.75/1,238,856.02 = 495,313.75/x
  3. Step 3: Cross multiply
    897,721.75x = 1,238,856.02 × 495,313.75
  4. Step 4: Simplify right side
    897,721.75x = 613,622,420,976.28
  5. Step 5: Solve for x
    x = 613,622,420,976.28/897,721.75
  6. Step 6: Final answer
    x = 683,532.98

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1.5x scale

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.