Home / 986,886.32-1,480,382.33-313,018.74

Finding the Fourth Proportional to 986,886.32, 1,480,382.33 and 313,018.74

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Solution

The fourth proportional to 986,886.32, 1,480,382.33 and 313,018.74 is: 469,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,886.32 : 1,480,382.33 = 313,018.74 : x
  2. Step 2: Convert to fraction form
    986,886.32/1,480,382.33 = 313,018.74/x
  3. Step 3: Cross multiply
    986,886.32x = 1,480,382.33 × 313,018.74
  4. Step 4: Simplify right side
    986,886.32x = 463,387,410,089.77
  5. Step 5: Solve for x
    x = 463,387,410,089.77/986,886.32
  6. Step 6: Final answer
    x = 469,544.87

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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.