Home / 909,071.93-1,254,528.03-501,189.61

Finding the Fourth Proportional to 909,071.93, 1,254,528.03 and 501,189.61

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Solution

The fourth proportional to 909,071.93, 1,254,528.03 and 501,189.61 is: 691,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,071.93 : 1,254,528.03 = 501,189.61 : x
  2. Step 2: Convert to fraction form
    909,071.93/1,254,528.03 = 501,189.61/x
  3. Step 3: Cross multiply
    909,071.93x = 1,254,528.03 × 501,189.61
  4. Step 4: Simplify right side
    909,071.93x = 628,756,414,089.77
  5. Step 5: Solve for x
    x = 628,756,414,089.77/909,071.93
  6. Step 6: Final answer
    x = 691,646.50

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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.