Home / 891,152.10-1,336,728.15-743,529.60

Finding the Fourth Proportional to 891,152.10, 1,336,728.15 and 743,529.60

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Solution

The fourth proportional to 891,152.10, 1,336,728.15 and 743,529.60 is: 1,115,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,152.10 : 1,336,728.15 = 743,529.60 : x
  2. Step 2: Convert to fraction form
    891,152.10/1,336,728.15 = 743,529.60/x
  3. Step 3: Cross multiply
    891,152.10x = 1,336,728.15 × 743,529.60
  4. Step 4: Simplify right side
    891,152.10x = 993,896,946,678.24
  5. Step 5: Solve for x
    x = 993,896,946,678.24/891,152.10
  6. Step 6: Final answer
    x = 1,115,294.40

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Double scale
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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.