Home / 492,133.04-679,095.02-277,311.32

Finding the Fourth Proportional to 492,133.04, 679,095.02 and 277,311.32

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Solution

The fourth proportional to 492,133.04, 679,095.02 and 277,311.32 is: 382,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,133.04 : 679,095.02 = 277,311.32 : x
  2. Step 2: Convert to fraction form
    492,133.04/679,095.02 = 277,311.32/x
  3. Step 3: Cross multiply
    492,133.04x = 679,095.02 × 277,311.32
  4. Step 4: Simplify right side
    492,133.04x = 188,320,736,401.63
  5. Step 5: Solve for x
    x = 188,320,736,401.63/492,133.04
  6. Step 6: Final answer
    x = 382,662.25

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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.