Home / 719,135.20-1,078,443.60-364,031.20

Finding the Fourth Proportional to 719,135.20, 1,078,443.60 and 364,031.20

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Solution

The fourth proportional to 719,135.20, 1,078,443.60 and 364,031.20 is: 545,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,135.20 : 1,078,443.60 = 364,031.20 : x
  2. Step 2: Convert to fraction form
    719,135.20/1,078,443.60 = 364,031.20/x
  3. Step 3: Cross multiply
    719,135.20x = 1,078,443.60 × 364,031.20
  4. Step 4: Simplify right side
    719,135.20x = 392,587,117,840.32
  5. Step 5: Solve for x
    x = 392,587,117,840.32/719,135.20
  6. Step 6: Final answer
    x = 545,915.59

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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.