Home / 874,871.48-1,207,322.63-472,463.48

Finding the Fourth Proportional to 874,871.48, 1,207,322.63 and 472,463.48

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Solution

The fourth proportional to 874,871.48, 1,207,322.63 and 472,463.48 is: 651,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,871.48 : 1,207,322.63 = 472,463.48 : x
  2. Step 2: Convert to fraction form
    874,871.48/1,207,322.63 = 472,463.48/x
  3. Step 3: Cross multiply
    874,871.48x = 1,207,322.63 × 472,463.48
  4. Step 4: Simplify right side
    874,871.48x = 570,415,851,252.55
  5. Step 5: Solve for x
    x = 570,415,851,252.55/874,871.48
  6. Step 6: Final answer
    x = 651,999.60

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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.