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Finding the Fourth Proportional to 536,775.36, 740,915.04 and 345,788.16

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Solution

The fourth proportional to 536,775.36, 740,915.04 and 345,788.16 is: 477,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,775.36 : 740,915.04 = 345,788.16 : x
  2. Step 2: Convert to fraction form
    536,775.36/740,915.04 = 345,788.16/x
  3. Step 3: Cross multiply
    536,775.36x = 740,915.04 × 345,788.16
  4. Step 4: Simplify right side
    536,775.36x = 256,199,648,397.93
  5. Step 5: Solve for x
    x = 256,199,648,397.93/536,775.36
  6. Step 6: Final answer
    x = 477,293.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.