Home / 769,890.84-1,062,472.86-430,373.40

Finding the Fourth Proportional to 769,890.84, 1,062,472.86 and 430,373.40

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Solution

The fourth proportional to 769,890.84, 1,062,472.86 and 430,373.40 is: 593,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,890.84 : 1,062,472.86 = 430,373.40 : x
  2. Step 2: Convert to fraction form
    769,890.84/1,062,472.86 = 430,373.40/x
  3. Step 3: Cross multiply
    769,890.84x = 1,062,472.86 × 430,373.40
  4. Step 4: Simplify right side
    769,890.84x = 457,260,057,165.92
  5. Step 5: Solve for x
    x = 457,260,057,165.92/769,890.84
  6. Step 6: Final answer
    x = 593,928.43

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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.