Home / 761,749.13-1,142,692.95-200,783.63

Finding the Fourth Proportional to 761,749.13, 1,142,692.95 and 200,783.63

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Solution

The fourth proportional to 761,749.13, 1,142,692.95 and 200,783.63 is: 301,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,749.13 : 1,142,692.95 = 200,783.63 : x
  2. Step 2: Convert to fraction form
    761,749.13/1,142,692.95 = 200,783.63/x
  3. Step 3: Cross multiply
    761,749.13x = 1,142,692.95 × 200,783.63
  4. Step 4: Simplify right side
    761,749.13x = 229,434,032,762.94
  5. Step 5: Solve for x
    x = 229,434,032,762.94/761,749.13
  6. Step 6: Final answer
    x = 301,193.69

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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.