Home / 699,225.60-1,048,838.40-256,166.40

Finding the Fourth Proportional to 699,225.60, 1,048,838.40 and 256,166.40

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Solution

The fourth proportional to 699,225.60, 1,048,838.40 and 256,166.40 is: 384,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,225.60 : 1,048,838.40 = 256,166.40 : x
  2. Step 2: Convert to fraction form
    699,225.60/1,048,838.40 = 256,166.40/x
  3. Step 3: Cross multiply
    699,225.60x = 1,048,838.40 × 256,166.40
  4. Step 4: Simplify right side
    699,225.60x = 268,677,157,109.76
  5. Step 5: Solve for x
    x = 268,677,157,109.76/699,225.60
  6. Step 6: Final answer
    x = 384,249.60

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Similar ratio
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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.