Home / 772,457.76-1,158,465.51-266,886.54

Finding the Fourth Proportional to 772,457.76, 1,158,465.51 and 266,886.54

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Solution

The fourth proportional to 772,457.76, 1,158,465.51 and 266,886.54 is: 400,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,457.76 : 1,158,465.51 = 266,886.54 : x
  2. Step 2: Convert to fraction form
    772,457.76/1,158,465.51 = 266,886.54/x
  3. Step 3: Cross multiply
    772,457.76x = 1,158,465.51 × 266,886.54
  4. Step 4: Simplify right side
    772,457.76x = 309,178,851,673.24
  5. Step 5: Solve for x
    x = 309,178,851,673.24/772,457.76
  6. Step 6: Final answer
    x = 400,253.41

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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.