Home / 648,007.80-971,574.30-344,452.20

Finding the Fourth Proportional to 648,007.80, 971,574.30 and 344,452.20

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Solution

The fourth proportional to 648,007.80, 971,574.30 and 344,452.20 is: 516,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,007.80 : 971,574.30 = 344,452.20 : x
  2. Step 2: Convert to fraction form
    648,007.80/971,574.30 = 344,452.20/x
  3. Step 3: Cross multiply
    648,007.80x = 971,574.30 × 344,452.20
  4. Step 4: Simplify right side
    648,007.80x = 334,660,905,098.46
  5. Step 5: Solve for x
    x = 334,660,905,098.46/648,007.80
  6. Step 6: Final answer
    x = 516,445.80

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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.