Home / 788,336.63-1,086,770.80-561,588.47

Finding the Fourth Proportional to 788,336.63, 1,086,770.80 and 561,588.47

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Solution

The fourth proportional to 788,336.63, 1,086,770.80 and 561,588.47 is: 774,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,336.63 : 1,086,770.80 = 561,588.47 : x
  2. Step 2: Convert to fraction form
    788,336.63/1,086,770.80 = 561,588.47/x
  3. Step 3: Cross multiply
    788,336.63x = 1,086,770.80 × 561,588.47
  4. Step 4: Simplify right side
    788,336.63x = 610,317,950,156.20
  5. Step 5: Solve for x
    x = 610,317,950,156.20/788,336.63
  6. Step 6: Final answer
    x = 774,184.44

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1.5x scale

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.