Home / 929,336.16-1,390,482.72-550,460.16

Finding the Fourth Proportional to 929,336.16, 1,390,482.72 and 550,460.16

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Solution

The fourth proportional to 929,336.16, 1,390,482.72 and 550,460.16 is: 823,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,336.16 : 1,390,482.72 = 550,460.16 : x
  2. Step 2: Convert to fraction form
    929,336.16/1,390,482.72 = 550,460.16/x
  3. Step 3: Cross multiply
    929,336.16x = 1,390,482.72 × 550,460.16
  4. Step 4: Simplify right side
    929,336.16x = 765,405,340,528.44
  5. Step 5: Solve for x
    x = 765,405,340,528.44/929,336.16
  6. Step 6: Final answer
    x = 823,604.39

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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.