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Finding the Fourth Proportional to 830,508.72, 1,144,907.64 and 591,630

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Solution

The fourth proportional to 830,508.72, 1,144,907.64 and 591,630 is: 815,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,508.72 : 1,144,907.64 = 591,630 : x
  2. Step 2: Convert to fraction form
    830,508.72/1,144,907.64 = 591,630/x
  3. Step 3: Cross multiply
    830,508.72x = 1,144,907.64 × 591,630
  4. Step 4: Simplify right side
    830,508.72x = 677,361,707,053.20
  5. Step 5: Solve for x
    x = 677,361,707,053.20/830,508.72
  6. Step 6: Final answer
    x = 815,598.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.