Home / 673,629.28-929,585.28-401,557.04

Finding the Fourth Proportional to 673,629.28, 929,585.28 and 401,557.04

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Solution

The fourth proportional to 673,629.28, 929,585.28 and 401,557.04 is: 554,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,629.28 : 929,585.28 = 401,557.04 : x
  2. Step 2: Convert to fraction form
    673,629.28/929,585.28 = 401,557.04/x
  3. Step 3: Cross multiply
    673,629.28x = 929,585.28 × 401,557.04
  4. Step 4: Simplify right side
    673,629.28x = 373,281,513,464.37
  5. Step 5: Solve for x
    x = 373,281,513,464.37/673,629.28
  6. Step 6: Final answer
    x = 554,134.93

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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.