Home / 689,221.04-1,032,008.99-539,761.46

Finding the Fourth Proportional to 689,221.04, 1,032,008.99 and 539,761.46

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Solution

The fourth proportional to 689,221.04, 1,032,008.99 and 539,761.46 is: 808,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,221.04 : 1,032,008.99 = 539,761.46 : x
  2. Step 2: Convert to fraction form
    689,221.04/1,032,008.99 = 539,761.46/x
  3. Step 3: Cross multiply
    689,221.04x = 1,032,008.99 × 539,761.46
  4. Step 4: Simplify right side
    689,221.04x = 557,038,671,316.67
  5. Step 5: Solve for x
    x = 557,038,671,316.67/689,221.04
  6. Step 6: Final answer
    x = 808,214.84

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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.