Home / 492,350.60-679,424.09-277,535.23

Finding the Fourth Proportional to 492,350.60, 679,424.09 and 277,535.23

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Solution

The fourth proportional to 492,350.60, 679,424.09 and 277,535.23 is: 382,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,350.60 : 679,424.09 = 277,535.23 : x
  2. Step 2: Convert to fraction form
    492,350.60/679,424.09 = 277,535.23/x
  3. Step 3: Cross multiply
    492,350.60x = 679,424.09 × 277,535.23
  4. Step 4: Simplify right side
    492,350.60x = 188,564,117,999.45
  5. Step 5: Solve for x
    x = 188,564,117,999.45/492,350.60
  6. Step 6: Final answer
    x = 382,987.48

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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.