Home / 724,280.60-1,085,643.30-274,827.80

Finding the Fourth Proportional to 724,280.60, 1,085,643.30 and 274,827.80

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Solution

The fourth proportional to 724,280.60, 1,085,643.30 and 274,827.80 is: 411,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,280.60 : 1,085,643.30 = 274,827.80 : x
  2. Step 2: Convert to fraction form
    724,280.60/1,085,643.30 = 274,827.80/x
  3. Step 3: Cross multiply
    724,280.60x = 1,085,643.30 × 274,827.80
  4. Step 4: Simplify right side
    724,280.60x = 298,364,959,723.74
  5. Step 5: Solve for x
    x = 298,364,959,723.74/724,280.60
  6. Step 6: Final answer
    x = 411,946.64

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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.