Home / 492,132.16-679,117.26-277,284.93

Finding the Fourth Proportional to 492,132.16, 679,117.26 and 277,284.93

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Solution

The fourth proportional to 492,132.16, 679,117.26 and 277,284.93 is: 382,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,132.16 : 679,117.26 = 277,284.93 : x
  2. Step 2: Convert to fraction form
    492,132.16/679,117.26 = 277,284.93/x
  3. Step 3: Cross multiply
    492,132.16x = 679,117.26 × 277,284.93
  4. Step 4: Simplify right side
    492,132.16x = 188,308,981,900.89
  5. Step 5: Solve for x
    x = 188,308,981,900.89/492,132.16
  6. Step 6: Final answer
    x = 382,639.05

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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.