Home / 791,290.60-1,188,029.40-508,730.20

Finding the Fourth Proportional to 791,290.60, 1,188,029.40 and 508,730.20

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Solution

The fourth proportional to 791,290.60, 1,188,029.40 and 508,730.20 is: 763,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,290.60 : 1,188,029.40 = 508,730.20 : x
  2. Step 2: Convert to fraction form
    791,290.60/1,188,029.40 = 508,730.20/x
  3. Step 3: Cross multiply
    791,290.60x = 1,188,029.40 × 508,730.20
  4. Step 4: Simplify right side
    791,290.60x = 604,386,434,267.88
  5. Step 5: Solve for x
    x = 604,386,434,267.88/791,290.60
  6. Step 6: Final answer
    x = 763,798.32

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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.