Home / 727,649.64-1,089,459.18-371,897.64

Finding the Fourth Proportional to 727,649.64, 1,089,459.18 and 371,897.64

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Solution

The fourth proportional to 727,649.64, 1,089,459.18 and 371,897.64 is: 556,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,649.64 : 1,089,459.18 = 371,897.64 : x
  2. Step 2: Convert to fraction form
    727,649.64/1,089,459.18 = 371,897.64/x
  3. Step 3: Cross multiply
    727,649.64x = 1,089,459.18 × 371,897.64
  4. Step 4: Simplify right side
    727,649.64x = 405,167,297,918.34
  5. Step 5: Solve for x
    x = 405,167,297,918.34/727,649.64
  6. Step 6: Final answer
    x = 556,816.46

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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.