Home / 798,291.60-1,197,437.40-640,827.60

Finding the Fourth Proportional to 798,291.60, 1,197,437.40 and 640,827.60

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Solution

The fourth proportional to 798,291.60, 1,197,437.40 and 640,827.60 is: 961,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,291.60 : 1,197,437.40 = 640,827.60 : x
  2. Step 2: Convert to fraction form
    798,291.60/1,197,437.40 = 640,827.60/x
  3. Step 3: Cross multiply
    798,291.60x = 1,197,437.40 × 640,827.60
  4. Step 4: Simplify right side
    798,291.60x = 767,350,935,192.24
  5. Step 5: Solve for x
    x = 767,350,935,192.24/798,291.60
  6. Step 6: Final answer
    x = 961,241.40

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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.