Home / 915,114.13-1,262,933.08-507,343.88

Finding the Fourth Proportional to 915,114.13, 1,262,933.08 and 507,343.88

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Solution

The fourth proportional to 915,114.13, 1,262,933.08 and 507,343.88 is: 700,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,114.13 : 1,262,933.08 = 507,343.88 : x
  2. Step 2: Convert to fraction form
    915,114.13/1,262,933.08 = 507,343.88/x
  3. Step 3: Cross multiply
    915,114.13x = 1,262,933.08 × 507,343.88
  4. Step 4: Simplify right side
    915,114.13x = 640,741,370,876.52
  5. Step 5: Solve for x
    x = 640,741,370,876.52/915,114.13
  6. Step 6: Final answer
    x = 700,176.46

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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.