Home / 884,377.37-1,220,484.03-497,314.60

Finding the Fourth Proportional to 884,377.37, 1,220,484.03 and 497,314.60

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Solution

The fourth proportional to 884,377.37, 1,220,484.03 and 497,314.60 is: 686,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,377.37 : 1,220,484.03 = 497,314.60 : x
  2. Step 2: Convert to fraction form
    884,377.37/1,220,484.03 = 497,314.60/x
  3. Step 3: Cross multiply
    884,377.37x = 1,220,484.03 × 497,314.60
  4. Step 4: Simplify right side
    884,377.37x = 606,964,521,083.42
  5. Step 5: Solve for x
    x = 606,964,521,083.42/884,377.37
  6. Step 6: Final answer
    x = 686,318.47

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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.