Home / 472,314.24-651,780.68-257,458.50

Finding the Fourth Proportional to 472,314.24, 651,780.68 and 257,458.50

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Solution

The fourth proportional to 472,314.24, 651,780.68 and 257,458.50 is: 355,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,314.24 : 651,780.68 = 257,458.50 : x
  2. Step 2: Convert to fraction form
    472,314.24/651,780.68 = 257,458.50/x
  3. Step 3: Cross multiply
    472,314.24x = 651,780.68 × 257,458.50
  4. Step 4: Simplify right side
    472,314.24x = 167,806,474,914.49
  5. Step 5: Solve for x
    x = 167,806,474,914.49/472,314.24
  6. Step 6: Final answer
    x = 355,285.66

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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.