Home / 761,748.63-1,142,692.19-200,783.13

Finding the Fourth Proportional to 761,748.63, 1,142,692.19 and 200,783.13

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Solution

The fourth proportional to 761,748.63, 1,142,692.19 and 200,783.13 is: 301,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,748.63 : 1,142,692.19 = 200,783.13 : x
  2. Step 2: Convert to fraction form
    761,748.63/1,142,692.19 = 200,783.13/x
  3. Step 3: Cross multiply
    761,748.63x = 1,142,692.19 × 200,783.13
  4. Step 4: Simplify right side
    761,748.63x = 229,433,314,534.76
  5. Step 5: Solve for x
    x = 229,433,314,534.76/761,748.63
  6. Step 6: Final answer
    x = 301,192.95

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1.5x scale

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.