Home / 916,498.88-1,374,420.28-317,299.16

Finding the Fourth Proportional to 916,498.88, 1,374,420.28 and 317,299.16

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Solution

The fourth proportional to 916,498.88, 1,374,420.28 and 317,299.16 is: 475,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,498.88 : 1,374,420.28 = 317,299.16 : x
  2. Step 2: Convert to fraction form
    916,498.88/1,374,420.28 = 317,299.16/x
  3. Step 3: Cross multiply
    916,498.88x = 1,374,420.28 × 317,299.16
  4. Step 4: Simplify right side
    916,498.88x = 436,102,400,330.97
  5. Step 5: Solve for x
    x = 436,102,400,330.97/916,498.88
  6. Step 6: Final answer
    x = 475,835.17

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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.