Home / 730,586.16-1,095,364.08-280,929.24

Finding the Fourth Proportional to 730,586.16, 1,095,364.08 and 280,929.24

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Solution

The fourth proportional to 730,586.16, 1,095,364.08 and 280,929.24 is: 421,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,586.16 : 1,095,364.08 = 280,929.24 : x
  2. Step 2: Convert to fraction form
    730,586.16/1,095,364.08 = 280,929.24/x
  3. Step 3: Cross multiply
    730,586.16x = 1,095,364.08 × 280,929.24
  4. Step 4: Simplify right side
    730,586.16x = 307,719,798,517.70
  5. Step 5: Solve for x
    x = 307,719,798,517.70/730,586.16
  6. Step 6: Final answer
    x = 421,195.77

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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.