Home / 772,056.96-1,158,632.64-351,386.88

Finding the Fourth Proportional to 772,056.96, 1,158,632.64 and 351,386.88

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Solution

The fourth proportional to 772,056.96, 1,158,632.64 and 351,386.88 is: 527,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,056.96 : 1,158,632.64 = 351,386.88 : x
  2. Step 2: Convert to fraction form
    772,056.96/1,158,632.64 = 351,386.88/x
  3. Step 3: Cross multiply
    772,056.96x = 1,158,632.64 × 351,386.88
  4. Step 4: Simplify right side
    772,056.96x = 407,128,308,435.76
  5. Step 5: Solve for x
    x = 407,128,308,435.76/772,056.96
  6. Step 6: Final answer
    x = 527,329.37

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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.