Home / 575,335.09-793,989.30-320,688.10

Finding the Fourth Proportional to 575,335.09, 793,989.30 and 320,688.10

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Solution

The fourth proportional to 575,335.09, 793,989.30 and 320,688.10 is: 442,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,335.09 : 793,989.30 = 320,688.10 : x
  2. Step 2: Convert to fraction form
    575,335.09/793,989.30 = 320,688.10/x
  3. Step 3: Cross multiply
    575,335.09x = 793,989.30 × 320,688.10
  4. Step 4: Simplify right side
    575,335.09x = 254,622,920,037.33
  5. Step 5: Solve for x
    x = 254,622,920,037.33/575,335.09
  6. Step 6: Final answer
    x = 442,564.56

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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.