Home / 492,279.29-679,345.35-277,427.05

Finding the Fourth Proportional to 492,279.29, 679,345.35 and 277,427.05

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Solution

The fourth proportional to 492,279.29, 679,345.35 and 277,427.05 is: 382,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,279.29 : 679,345.35 = 277,427.05 : x
  2. Step 2: Convert to fraction form
    492,279.29/679,345.35 = 277,427.05/x
  3. Step 3: Cross multiply
    492,279.29x = 679,345.35 × 277,427.05
  4. Step 4: Simplify right side
    492,279.29x = 188,468,776,381.72
  5. Step 5: Solve for x
    x = 188,468,776,381.72/492,279.29
  6. Step 6: Final answer
    x = 382,849.29

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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.