Home / 884,869.41-1,220,968.87-497,584.52

Finding the Fourth Proportional to 884,869.41, 1,220,968.87 and 497,584.52

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Solution

The fourth proportional to 884,869.41, 1,220,968.87 and 497,584.52 is: 686,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,869.41 : 1,220,968.87 = 497,584.52 : x
  2. Step 2: Convert to fraction form
    884,869.41/1,220,968.87 = 497,584.52/x
  3. Step 3: Cross multiply
    884,869.41x = 1,220,968.87 × 497,584.52
  4. Step 4: Simplify right side
    884,869.41x = 607,535,209,113.89
  5. Step 5: Solve for x
    x = 607,535,209,113.89/884,869.41
  6. Step 6: Final answer
    x = 686,581.77

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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.