Home / 918,416.33-1,267,429.65-504,970.58

Finding the Fourth Proportional to 918,416.33, 1,267,429.65 and 504,970.58

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Solution

The fourth proportional to 918,416.33, 1,267,429.65 and 504,970.58 is: 696,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,416.33 : 1,267,429.65 = 504,970.58 : x
  2. Step 2: Convert to fraction form
    918,416.33/1,267,429.65 = 504,970.58/x
  3. Step 3: Cross multiply
    918,416.33x = 1,267,429.65 × 504,970.58
  4. Step 4: Simplify right side
    918,416.33x = 640,014,676,607.70
  5. Step 5: Solve for x
    x = 640,014,676,607.70/918,416.33
  6. Step 6: Final answer
    x = 696,867.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.