Home / 909,051.56-1,254,565.80-501,190.64

Finding the Fourth Proportional to 909,051.56, 1,254,565.80 and 501,190.64

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Solution

The fourth proportional to 909,051.56, 1,254,565.80 and 501,190.64 is: 691,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,051.56 : 1,254,565.80 = 501,190.64 : x
  2. Step 2: Convert to fraction form
    909,051.56/1,254,565.80 = 501,190.64/x
  3. Step 3: Cross multiply
    909,051.56x = 1,254,565.80 × 501,190.64
  4. Step 4: Simplify right side
    909,051.56x = 628,776,636,224.11
  5. Step 5: Solve for x
    x = 628,776,636,224.11/909,051.56
  6. Step 6: Final answer
    x = 691,684.24

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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.