Home / 721,038.56-1,080,611.75-530,607.56

Finding the Fourth Proportional to 721,038.56, 1,080,611.75 and 530,607.56

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Solution

The fourth proportional to 721,038.56, 1,080,611.75 and 530,607.56 is: 795,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,038.56 : 1,080,611.75 = 530,607.56 : x
  2. Step 2: Convert to fraction form
    721,038.56/1,080,611.75 = 530,607.56/x
  3. Step 3: Cross multiply
    721,038.56x = 1,080,611.75 × 530,607.56
  4. Step 4: Simplify right side
    721,038.56x = 573,380,759,898.29
  5. Step 5: Solve for x
    x = 573,380,759,898.29/721,038.56
  6. Step 6: Final answer
    x = 795,215.12

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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.