Home / 986,926.86-1,480,443.12-313,059.24

Finding the Fourth Proportional to 986,926.86, 1,480,443.12 and 313,059.24

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Solution

The fourth proportional to 986,926.86, 1,480,443.12 and 313,059.24 is: 469,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,926.86 : 1,480,443.12 = 313,059.24 : x
  2. Step 2: Convert to fraction form
    986,926.86/1,480,443.12 = 313,059.24/x
  3. Step 3: Cross multiply
    986,926.86x = 1,480,443.12 × 313,059.24
  4. Step 4: Simplify right side
    986,926.86x = 463,466,398,010.43
  5. Step 5: Solve for x
    x = 463,466,398,010.43/986,926.86
  6. Step 6: Final answer
    x = 469,605.62

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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.