Home / 854,228.10-1,281,536.55-499,059.30

Finding the Fourth Proportional to 854,228.10, 1,281,536.55 and 499,059.30

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Solution

The fourth proportional to 854,228.10, 1,281,536.55 and 499,059.30 is: 748,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,228.10 : 1,281,536.55 = 499,059.30 : x
  2. Step 2: Convert to fraction form
    854,228.10/1,281,536.55 = 499,059.30/x
  3. Step 3: Cross multiply
    854,228.10x = 1,281,536.55 × 499,059.30
  4. Step 4: Simplify right side
    854,228.10x = 639,562,733,567.42
  5. Step 5: Solve for x
    x = 639,562,733,567.42/854,228.10
  6. Step 6: Final answer
    x = 748,702.52

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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.