Home / 753,155.63-1,039,353.48-413,623.88

Finding the Fourth Proportional to 753,155.63, 1,039,353.48 and 413,623.88

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Solution

The fourth proportional to 753,155.63, 1,039,353.48 and 413,623.88 is: 570,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,155.63 : 1,039,353.48 = 413,623.88 : x
  2. Step 2: Convert to fraction form
    753,155.63/1,039,353.48 = 413,623.88/x
  3. Step 3: Cross multiply
    753,155.63x = 1,039,353.48 × 413,623.88
  4. Step 4: Simplify right side
    753,155.63x = 429,901,419,089.10
  5. Step 5: Solve for x
    x = 429,901,419,089.10/753,155.63
  6. Step 6: Final answer
    x = 570,800.25

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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.