Home / 482,512.34-723,030.40-257,904.71

Finding the Fourth Proportional to 482,512.34, 723,030.40 and 257,904.71

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Solution

The fourth proportional to 482,512.34, 723,030.40 and 257,904.71 is: 386,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,512.34 : 723,030.40 = 257,904.71 : x
  2. Step 2: Convert to fraction form
    482,512.34/723,030.40 = 257,904.71/x
  3. Step 3: Cross multiply
    482,512.34x = 723,030.40 × 257,904.71
  4. Step 4: Simplify right side
    482,512.34x = 186,472,945,051.78
  5. Step 5: Solve for x
    x = 186,472,945,051.78/482,512.34
  6. Step 6: Final answer
    x = 386,462.54

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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.