Home / 637,346.14-956,961.45-425,434.35

Finding the Fourth Proportional to 637,346.14, 956,961.45 and 425,434.35

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Solution

The fourth proportional to 637,346.14, 956,961.45 and 425,434.35 is: 638,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,346.14 : 956,961.45 = 425,434.35 : x
  2. Step 2: Convert to fraction form
    637,346.14/956,961.45 = 425,434.35/x
  3. Step 3: Cross multiply
    637,346.14x = 956,961.45 × 425,434.35
  4. Step 4: Simplify right side
    637,346.14x = 407,124,268,999.82
  5. Step 5: Solve for x
    x = 407,124,268,999.82/637,346.14
  6. Step 6: Final answer
    x = 638,780.47

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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.