Home / 651,474.86-977,186.72-272,297.66

Finding the Fourth Proportional to 651,474.86, 977,186.72 and 272,297.66

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Solution

The fourth proportional to 651,474.86, 977,186.72 and 272,297.66 is: 408,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,474.86 : 977,186.72 = 272,297.66 : x
  2. Step 2: Convert to fraction form
    651,474.86/977,186.72 = 272,297.66/x
  3. Step 3: Cross multiply
    651,474.86x = 977,186.72 × 272,297.66
  4. Step 4: Simplify right side
    651,474.86x = 266,085,657,239.08
  5. Step 5: Solve for x
    x = 266,085,657,239.08/651,474.86
  6. Step 6: Final answer
    x = 408,435.80

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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.