Home / 914,421.67-1,261,912.05-506,529.76

Finding the Fourth Proportional to 914,421.67, 1,261,912.05 and 506,529.76

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Solution

The fourth proportional to 914,421.67, 1,261,912.05 and 506,529.76 is: 699,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,421.67 : 1,261,912.05 = 506,529.76 : x
  2. Step 2: Convert to fraction form
    914,421.67/1,261,912.05 = 506,529.76/x
  3. Step 3: Cross multiply
    914,421.67x = 1,261,912.05 × 506,529.76
  4. Step 4: Simplify right side
    914,421.67x = 639,196,007,827.61
  5. Step 5: Solve for x
    x = 639,196,007,827.61/914,421.67
  6. Step 6: Final answer
    x = 699,016.69

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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.