Home / 876,326.72-1,208,573.78-570,292.96

Finding the Fourth Proportional to 876,326.72, 1,208,573.78 and 570,292.96

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Solution

The fourth proportional to 876,326.72, 1,208,573.78 and 570,292.96 is: 786,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,326.72 : 1,208,573.78 = 570,292.96 : x
  2. Step 2: Convert to fraction form
    876,326.72/1,208,573.78 = 570,292.96/x
  3. Step 3: Cross multiply
    876,326.72x = 1,208,573.78 × 570,292.96
  4. Step 4: Simplify right side
    876,326.72x = 689,241,118,374.59
  5. Step 5: Solve for x
    x = 689,241,118,374.59/876,326.72
  6. Step 6: Final answer
    x = 786,511.59

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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.