Home / 691,946.78-1,038,060.25-292,586.90

Finding the Fourth Proportional to 691,946.78, 1,038,060.25 and 292,586.90

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Solution

The fourth proportional to 691,946.78, 1,038,060.25 and 292,586.90 is: 438,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,946.78 : 1,038,060.25 = 292,586.90 : x
  2. Step 2: Convert to fraction form
    691,946.78/1,038,060.25 = 292,586.90/x
  3. Step 3: Cross multiply
    691,946.78x = 1,038,060.25 × 292,586.90
  4. Step 4: Simplify right side
    691,946.78x = 303,722,824,638.96
  5. Step 5: Solve for x
    x = 303,722,824,638.96/691,946.78
  6. Step 6: Final answer
    x = 438,939.58

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Double scale
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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.