Home / 438,857.20-605,206.92-302,673.52

Finding the Fourth Proportional to 438,857.20, 605,206.92 and 302,673.52

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Solution

The fourth proportional to 438,857.20, 605,206.92 and 302,673.52 is: 417,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,857.20 : 605,206.92 = 302,673.52 : x
  2. Step 2: Convert to fraction form
    438,857.20/605,206.92 = 302,673.52/x
  3. Step 3: Cross multiply
    438,857.20x = 605,206.92 × 302,673.52
  4. Step 4: Simplify right side
    438,857.20x = 183,180,108,804.76
  5. Step 5: Solve for x
    x = 183,180,108,804.76/438,857.20
  6. Step 6: Final answer
    x = 417,402.54

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1.5x scale

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.