Home / 492,731.74-679,968.36-277,870.24

Finding the Fourth Proportional to 492,731.74, 679,968.36 and 277,870.24

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Solution

The fourth proportional to 492,731.74, 679,968.36 and 277,870.24 is: 383,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,731.74 : 679,968.36 = 277,870.24 : x
  2. Step 2: Convert to fraction form
    492,731.74/679,968.36 = 277,870.24/x
  3. Step 3: Cross multiply
    492,731.74x = 679,968.36 × 277,870.24
  4. Step 4: Simplify right side
    492,731.74x = 188,942,971,385.61
  5. Step 5: Solve for x
    x = 188,942,971,385.61/492,731.74
  6. Step 6: Final answer
    x = 383,460.12

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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.