Home / 779,944.32-1,170,091.32-247,482.72

Finding the Fourth Proportional to 779,944.32, 1,170,091.32 and 247,482.72

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Solution

The fourth proportional to 779,944.32, 1,170,091.32 and 247,482.72 is: 371,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,944.32 : 1,170,091.32 = 247,482.72 : x
  2. Step 2: Convert to fraction form
    779,944.32/1,170,091.32 = 247,482.72/x
  3. Step 3: Cross multiply
    779,944.32x = 1,170,091.32 × 247,482.72
  4. Step 4: Simplify right side
    779,944.32x = 289,577,382,521.99
  5. Step 5: Solve for x
    x = 289,577,382,521.99/779,944.32
  6. Step 6: Final answer
    x = 371,279.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.