Home / 648,330.20-972,203.70-248,838.20

Finding the Fourth Proportional to 648,330.20, 972,203.70 and 248,838.20

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Solution

The fourth proportional to 648,330.20, 972,203.70 and 248,838.20 is: 373,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,330.20 : 972,203.70 = 248,838.20 : x
  2. Step 2: Convert to fraction form
    648,330.20/972,203.70 = 248,838.20/x
  3. Step 3: Cross multiply
    648,330.20x = 972,203.70 × 248,838.20
  4. Step 4: Simplify right side
    648,330.20x = 241,921,418,741.34
  5. Step 5: Solve for x
    x = 241,921,418,741.34/648,330.20
  6. Step 6: Final answer
    x = 373,145.38

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1.5x scale

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.