Home / 907,755.51-1,252,652.96-499,779.87

Finding the Fourth Proportional to 907,755.51, 1,252,652.96 and 499,779.87

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Solution

The fourth proportional to 907,755.51, 1,252,652.96 and 499,779.87 is: 689,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,755.51 : 1,252,652.96 = 499,779.87 : x
  2. Step 2: Convert to fraction form
    907,755.51/1,252,652.96 = 499,779.87/x
  3. Step 3: Cross multiply
    907,755.51x = 1,252,652.96 × 499,779.87
  4. Step 4: Simplify right side
    907,755.51x = 626,050,731,005.02
  5. Step 5: Solve for x
    x = 626,050,731,005.02/907,755.51
  6. Step 6: Final answer
    x = 689,668.89

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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.