Home / 957,281.64-1,321,030.92-521,702.47

Finding the Fourth Proportional to 957,281.64, 1,321,030.92 and 521,702.47

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Solution

The fourth proportional to 957,281.64, 1,321,030.92 and 521,702.47 is: 719,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,281.64 : 1,321,030.92 = 521,702.47 : x
  2. Step 2: Convert to fraction form
    957,281.64/1,321,030.92 = 521,702.47/x
  3. Step 3: Cross multiply
    957,281.64x = 1,321,030.92 × 521,702.47
  4. Step 4: Simplify right side
    957,281.64x = 689,185,097,518.05
  5. Step 5: Solve for x
    x = 689,185,097,518.05/957,281.64
  6. Step 6: Final answer
    x = 719,939.74

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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.