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Finding the Fourth Proportional to 654,703.53, 903,420.45 and 368,162.79

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Solution

The fourth proportional to 654,703.53, 903,420.45 and 368,162.79 is: 508,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,703.53 : 903,420.45 = 368,162.79 : x
  2. Step 2: Convert to fraction form
    654,703.53/903,420.45 = 368,162.79/x
  3. Step 3: Cross multiply
    654,703.53x = 903,420.45 × 368,162.79
  4. Step 4: Simplify right side
    654,703.53x = 332,605,793,415.06
  5. Step 5: Solve for x
    x = 332,605,793,415.06/654,703.53
  6. Step 6: Final answer
    x = 508,025.05

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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.