Home / 913,389.63-1,370,090.11-239,464.88

Finding the Fourth Proportional to 913,389.63, 1,370,090.11 and 239,464.88

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Solution

The fourth proportional to 913,389.63, 1,370,090.11 and 239,464.88 is: 359,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,389.63 : 1,370,090.11 = 239,464.88 : x
  2. Step 2: Convert to fraction form
    913,389.63/1,370,090.11 = 239,464.88/x
  3. Step 3: Cross multiply
    913,389.63x = 1,370,090.11 × 239,464.88
  4. Step 4: Simplify right side
    913,389.63x = 328,088,463,780.34
  5. Step 5: Solve for x
    x = 328,088,463,780.34/913,389.63
  6. Step 6: Final answer
    x = 359,198.81

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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.