Home / 438,039.48-604,493.64-247,052.28

Finding the Fourth Proportional to 438,039.48, 604,493.64 and 247,052.28

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Solution

The fourth proportional to 438,039.48, 604,493.64 and 247,052.28 is: 340,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,039.48 : 604,493.64 = 247,052.28 : x
  2. Step 2: Convert to fraction form
    438,039.48/604,493.64 = 247,052.28/x
  3. Step 3: Cross multiply
    438,039.48x = 604,493.64 × 247,052.28
  4. Step 4: Simplify right side
    438,039.48x = 149,341,532,007.50
  5. Step 5: Solve for x
    x = 149,341,532,007.50/438,039.48
  6. Step 6: Final answer
    x = 340,931.67

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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.