Home / 841,826.78-1,161,677.52-459,779.75

Finding the Fourth Proportional to 841,826.78, 1,161,677.52 and 459,779.75

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Solution

The fourth proportional to 841,826.78, 1,161,677.52 and 459,779.75 is: 634,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,826.78 : 1,161,677.52 = 459,779.75 : x
  2. Step 2: Convert to fraction form
    841,826.78/1,161,677.52 = 459,779.75/x
  3. Step 3: Cross multiply
    841,826.78x = 1,161,677.52 × 459,779.75
  4. Step 4: Simplify right side
    841,826.78x = 534,115,793,917.83
  5. Step 5: Solve for x
    x = 534,115,793,917.83/841,826.78
  6. Step 6: Final answer
    x = 634,472.33

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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.