Home / 901,979.16-1,353,031.86-362,235.42

Finding the Fourth Proportional to 901,979.16, 1,353,031.86 and 362,235.42

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Solution

The fourth proportional to 901,979.16, 1,353,031.86 and 362,235.42 is: 543,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,979.16 : 1,353,031.86 = 362,235.42 : x
  2. Step 2: Convert to fraction form
    901,979.16/1,353,031.86 = 362,235.42/x
  3. Step 3: Cross multiply
    901,979.16x = 1,353,031.86 × 362,235.42
  4. Step 4: Simplify right side
    901,979.16x = 490,116,064,080.48
  5. Step 5: Solve for x
    x = 490,116,064,080.48/901,979.16
  6. Step 6: Final answer
    x = 543,378.48

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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.