Home / 929,685.60-1,394,528.40-331,322.40

Finding the Fourth Proportional to 929,685.60, 1,394,528.40 and 331,322.40

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Solution

The fourth proportional to 929,685.60, 1,394,528.40 and 331,322.40 is: 496,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,685.60 : 1,394,528.40 = 331,322.40 : x
  2. Step 2: Convert to fraction form
    929,685.60/1,394,528.40 = 331,322.40/x
  3. Step 3: Cross multiply
    929,685.60x = 1,394,528.40 × 331,322.40
  4. Step 4: Simplify right side
    929,685.60x = 462,038,496,356.16
  5. Step 5: Solve for x
    x = 462,038,496,356.16/929,685.60
  6. Step 6: Final answer
    x = 496,983.60

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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.