Home / 790,827.80-1,186,241.70-579,320.60

Finding the Fourth Proportional to 790,827.80, 1,186,241.70 and 579,320.60

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Solution

The fourth proportional to 790,827.80, 1,186,241.70 and 579,320.60 is: 868,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,827.80 : 1,186,241.70 = 579,320.60 : x
  2. Step 2: Convert to fraction form
    790,827.80/1,186,241.70 = 579,320.60/x
  3. Step 3: Cross multiply
    790,827.80x = 1,186,241.70 × 579,320.60
  4. Step 4: Simplify right side
    790,827.80x = 687,214,253,389.02
  5. Step 5: Solve for x
    x = 687,214,253,389.02/790,827.80
  6. Step 6: Final answer
    x = 868,980.90

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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.