Home / 985,304.45-1,359,841.20-555,575.96

Finding the Fourth Proportional to 985,304.45, 1,359,841.20 and 555,575.96

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Solution

The fourth proportional to 985,304.45, 1,359,841.20 and 555,575.96 is: 766,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,304.45 : 1,359,841.20 = 555,575.96 : x
  2. Step 2: Convert to fraction form
    985,304.45/1,359,841.20 = 555,575.96/x
  3. Step 3: Cross multiply
    985,304.45x = 1,359,841.20 × 555,575.96
  4. Step 4: Simplify right side
    985,304.45x = 755,495,080,137.55
  5. Step 5: Solve for x
    x = 755,495,080,137.55/985,304.45
  6. Step 6: Final answer
    x = 766,763.09

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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.