Home / 438,008.06-603,903.47-365,515.39

Finding the Fourth Proportional to 438,008.06, 603,903.47 and 365,515.39

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Solution

The fourth proportional to 438,008.06, 603,903.47 and 365,515.39 is: 503,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,008.06 : 603,903.47 = 365,515.39 : x
  2. Step 2: Convert to fraction form
    438,008.06/603,903.47 = 365,515.39/x
  3. Step 3: Cross multiply
    438,008.06x = 603,903.47 × 365,515.39
  4. Step 4: Simplify right side
    438,008.06x = 220,736,011,286.71
  5. Step 5: Solve for x
    x = 220,736,011,286.71/438,008.06
  6. Step 6: Final answer
    x = 503,954.22

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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.