Home / 986,996.34-1,480,547.16-313,131.56

Finding the Fourth Proportional to 986,996.34, 1,480,547.16 and 313,131.56

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Solution

The fourth proportional to 986,996.34, 1,480,547.16 and 313,131.56 is: 469,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,996.34 : 1,480,547.16 = 313,131.56 : x
  2. Step 2: Convert to fraction form
    986,996.34/1,480,547.16 = 313,131.56/x
  3. Step 3: Cross multiply
    986,996.34x = 1,480,547.16 × 313,131.56
  4. Step 4: Simplify right side
    986,996.34x = 463,606,034,461.63
  5. Step 5: Solve for x
    x = 463,606,034,461.63/986,996.34
  6. Step 6: Final answer
    x = 469,714.04

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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.