Home / 910,439.60-1,366,485.60-461,472.80

Finding the Fourth Proportional to 910,439.60, 1,366,485.60 and 461,472.80

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Solution

The fourth proportional to 910,439.60, 1,366,485.60 and 461,472.80 is: 692,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,439.60 : 1,366,485.60 = 461,472.80 : x
  2. Step 2: Convert to fraction form
    910,439.60/1,366,485.60 = 461,472.80/x
  3. Step 3: Cross multiply
    910,439.60x = 1,366,485.60 × 461,472.80
  4. Step 4: Simplify right side
    910,439.60x = 630,595,935,991.68
  5. Step 5: Solve for x
    x = 630,595,935,991.68/910,439.60
  6. Step 6: Final answer
    x = 692,627.97

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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.