Home / 738,143.27-1,018,633.08-415,956.86

Finding the Fourth Proportional to 738,143.27, 1,018,633.08 and 415,956.86

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Solution

The fourth proportional to 738,143.27, 1,018,633.08 and 415,956.86 is: 574,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,143.27 : 1,018,633.08 = 415,956.86 : x
  2. Step 2: Convert to fraction form
    738,143.27/1,018,633.08 = 415,956.86/x
  3. Step 3: Cross multiply
    738,143.27x = 1,018,633.08 × 415,956.86
  4. Step 4: Simplify right side
    738,143.27x = 423,707,417,448.93
  5. Step 5: Solve for x
    x = 423,707,417,448.93/738,143.27
  6. Step 6: Final answer
    x = 574,017.86

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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.