Home / 907,664.20-1,359,422.70-534,416.20

Finding the Fourth Proportional to 907,664.20, 1,359,422.70 and 534,416.20

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Solution

The fourth proportional to 907,664.20, 1,359,422.70 and 534,416.20 is: 800,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,664.20 : 1,359,422.70 = 534,416.20 : x
  2. Step 2: Convert to fraction form
    907,664.20/1,359,422.70 = 534,416.20/x
  3. Step 3: Cross multiply
    907,664.20x = 1,359,422.70 × 534,416.20
  4. Step 4: Simplify right side
    907,664.20x = 726,497,513,527.74
  5. Step 5: Solve for x
    x = 726,497,513,527.74/907,664.20
  6. Step 6: Final answer
    x = 800,403.40

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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.