Home / 957,293.01-1,321,030.86-521,701.50

Finding the Fourth Proportional to 957,293.01, 1,321,030.86 and 521,701.50

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Solution

The fourth proportional to 957,293.01, 1,321,030.86 and 521,701.50 is: 719,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,293.01 : 1,321,030.86 = 521,701.50 : x
  2. Step 2: Convert to fraction form
    957,293.01/1,321,030.86 = 521,701.50/x
  3. Step 3: Cross multiply
    957,293.01x = 1,321,030.86 × 521,701.50
  4. Step 4: Simplify right side
    957,293.01x = 689,183,781,208.29
  5. Step 5: Solve for x
    x = 689,183,781,208.29/957,293.01
  6. Step 6: Final answer
    x = 719,929.82

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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.