Home / 648,052.90-972,079.35-541,764.70

Finding the Fourth Proportional to 648,052.90, 972,079.35 and 541,764.70

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Solution

The fourth proportional to 648,052.90, 972,079.35 and 541,764.70 is: 812,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,052.90 : 972,079.35 = 541,764.70 : x
  2. Step 2: Convert to fraction form
    648,052.90/972,079.35 = 541,764.70/x
  3. Step 3: Cross multiply
    648,052.90x = 972,079.35 × 541,764.70
  4. Step 4: Simplify right side
    648,052.90x = 526,638,277,428.95
  5. Step 5: Solve for x
    x = 526,638,277,428.95/648,052.90
  6. Step 6: Final answer
    x = 812,647.05

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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.