Home / 729,000.30-1,093,500.45-578,425.35

Finding the Fourth Proportional to 729,000.30, 1,093,500.45 and 578,425.35

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Solution

The fourth proportional to 729,000.30, 1,093,500.45 and 578,425.35 is: 867,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,000.30 : 1,093,500.45 = 578,425.35 : x
  2. Step 2: Convert to fraction form
    729,000.30/1,093,500.45 = 578,425.35/x
  3. Step 3: Cross multiply
    729,000.30x = 1,093,500.45 × 578,425.35
  4. Step 4: Simplify right side
    729,000.30x = 632,508,380,516.41
  5. Step 5: Solve for x
    x = 632,508,380,516.41/729,000.30
  6. Step 6: Final answer
    x = 867,638.03

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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.