Home / 927,742.28-1,391,174.80-359,389.58

Finding the Fourth Proportional to 927,742.28, 1,391,174.80 and 359,389.58

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Solution

The fourth proportional to 927,742.28, 1,391,174.80 and 359,389.58 is: 538,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,742.28 : 1,391,174.80 = 359,389.58 : x
  2. Step 2: Convert to fraction form
    927,742.28/1,391,174.80 = 359,389.58/x
  3. Step 3: Cross multiply
    927,742.28x = 1,391,174.80 × 359,389.58
  4. Step 4: Simplify right side
    927,742.28x = 499,973,719,224.24
  5. Step 5: Solve for x
    x = 499,973,719,224.24/927,742.28
  6. Step 6: Final answer
    x = 538,914.45

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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.