Home / 901,781.76-1,243,895.76-579,911.52

Finding the Fourth Proportional to 901,781.76, 1,243,895.76 and 579,911.52

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Solution

The fourth proportional to 901,781.76, 1,243,895.76 and 579,911.52 is: 799,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,781.76 : 1,243,895.76 = 579,911.52 : x
  2. Step 2: Convert to fraction form
    901,781.76/1,243,895.76 = 579,911.52/x
  3. Step 3: Cross multiply
    901,781.76x = 1,243,895.76 × 579,911.52
  4. Step 4: Simplify right side
    901,781.76x = 721,349,480,903.16
  5. Step 5: Solve for x
    x = 721,349,480,903.16/901,781.76
  6. Step 6: Final answer
    x = 799,915.80

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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.