Home / 651,473.86-977,185.22-272,296.66

Finding the Fourth Proportional to 651,473.86, 977,185.22 and 272,296.66

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Solution

The fourth proportional to 651,473.86, 977,185.22 and 272,296.66 is: 408,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,473.86 : 977,185.22 = 272,296.66 : x
  2. Step 2: Convert to fraction form
    651,473.86/977,185.22 = 272,296.66/x
  3. Step 3: Cross multiply
    651,473.86x = 977,185.22 × 272,296.66
  4. Step 4: Simplify right side
    651,473.86x = 266,084,271,607.37
  5. Step 5: Solve for x
    x = 266,084,271,607.37/651,473.86
  6. Step 6: Final answer
    x = 408,434.30

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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.