Home / 884,690.66-1,220,836.89-497,495.06

Finding the Fourth Proportional to 884,690.66, 1,220,836.89 and 497,495.06

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Solution

The fourth proportional to 884,690.66, 1,220,836.89 and 497,495.06 is: 686,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,690.66 : 1,220,836.89 = 497,495.06 : x
  2. Step 2: Convert to fraction form
    884,690.66/1,220,836.89 = 497,495.06/x
  3. Step 3: Cross multiply
    884,690.66x = 1,220,836.89 × 497,495.06
  4. Step 4: Simplify right side
    884,690.66x = 607,360,321,840.76
  5. Step 5: Solve for x
    x = 607,360,321,840.76/884,690.66
  6. Step 6: Final answer
    x = 686,522.81

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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.