Home / 788,442.60-1,182,750.30-763,559.40

Finding the Fourth Proportional to 788,442.60, 1,182,750.30 and 763,559.40

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Solution

The fourth proportional to 788,442.60, 1,182,750.30 and 763,559.40 is: 1,145,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,442.60 : 1,182,750.30 = 763,559.40 : x
  2. Step 2: Convert to fraction form
    788,442.60/1,182,750.30 = 763,559.40/x
  3. Step 3: Cross multiply
    788,442.60x = 1,182,750.30 × 763,559.40
  4. Step 4: Simplify right side
    788,442.60x = 903,100,109,417.82
  5. Step 5: Solve for x
    x = 903,100,109,417.82/788,442.60
  6. Step 6: Final answer
    x = 1,145,422.77

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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.