Home / 535,038.97-802,884.54-215,130.86

Finding the Fourth Proportional to 535,038.97, 802,884.54 and 215,130.86

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Solution

The fourth proportional to 535,038.97, 802,884.54 and 215,130.86 is: 322,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,038.97 : 802,884.54 = 215,130.86 : x
  2. Step 2: Convert to fraction form
    535,038.97/802,884.54 = 215,130.86/x
  3. Step 3: Cross multiply
    535,038.97x = 802,884.54 × 215,130.86
  4. Step 4: Simplify right side
    535,038.97x = 172,725,241,570.90
  5. Step 5: Solve for x
    x = 172,725,241,570.90/535,038.97
  6. Step 6: Final answer
    x = 322,827.40

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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.