Home / 885,139.48-1,220,838.62-609,584.84

Finding the Fourth Proportional to 885,139.48, 1,220,838.62 and 609,584.84

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Solution

The fourth proportional to 885,139.48, 1,220,838.62 and 609,584.84 is: 840,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,139.48 : 1,220,838.62 = 609,584.84 : x
  2. Step 2: Convert to fraction form
    885,139.48/1,220,838.62 = 609,584.84/x
  3. Step 3: Cross multiply
    885,139.48x = 1,220,838.62 × 609,584.84
  4. Step 4: Simplify right side
    885,139.48x = 744,204,710,264.55
  5. Step 5: Solve for x
    x = 744,204,710,264.55/885,139.48
  6. Step 6: Final answer
    x = 840,776.77

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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.