Home / 856,812.60-1,284,344.10-501,643.80

Finding the Fourth Proportional to 856,812.60, 1,284,344.10 and 501,643.80

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Solution

The fourth proportional to 856,812.60, 1,284,344.10 and 501,643.80 is: 751,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,812.60 : 1,284,344.10 = 501,643.80 : x
  2. Step 2: Convert to fraction form
    856,812.60/1,284,344.10 = 501,643.80/x
  3. Step 3: Cross multiply
    856,812.60x = 1,284,344.10 × 501,643.80
  4. Step 4: Simplify right side
    856,812.60x = 644,283,254,831.58
  5. Step 5: Solve for x
    x = 644,283,254,831.58/856,812.60
  6. Step 6: Final answer
    x = 751,953.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.