Home / 942,421.76-1,414,086.72-469,148.80

Finding the Fourth Proportional to 942,421.76, 1,414,086.72 and 469,148.80

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Solution

The fourth proportional to 942,421.76, 1,414,086.72 and 469,148.80 is: 703,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,421.76 : 1,414,086.72 = 469,148.80 : x
  2. Step 2: Convert to fraction form
    942,421.76/1,414,086.72 = 469,148.80/x
  3. Step 3: Cross multiply
    942,421.76x = 1,414,086.72 × 469,148.80
  4. Step 4: Simplify right side
    942,421.76x = 663,417,087,783.94
  5. Step 5: Solve for x
    x = 663,417,087,783.94/942,421.76
  6. Step 6: Final answer
    x = 703,949.25

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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.