Home / 971,037.31-1,340,111.25-535,539.83

Finding the Fourth Proportional to 971,037.31, 1,340,111.25 and 535,539.83

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Solution

The fourth proportional to 971,037.31, 1,340,111.25 and 535,539.83 is: 739,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,037.31 : 1,340,111.25 = 535,539.83 : x
  2. Step 2: Convert to fraction form
    971,037.31/1,340,111.25 = 535,539.83/x
  3. Step 3: Cross multiply
    971,037.31x = 1,340,111.25 × 535,539.83
  4. Step 4: Simplify right side
    971,037.31x = 717,682,951,006.09
  5. Step 5: Solve for x
    x = 717,682,951,006.09/971,037.31
  6. Step 6: Final answer
    x = 739,088.96

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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.