Home / 761,472.38-1,141,959.42-356,539.25

Finding the Fourth Proportional to 761,472.38, 1,141,959.42 and 356,539.25

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Solution

The fourth proportional to 761,472.38, 1,141,959.42 and 356,539.25 is: 534,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,472.38 : 1,141,959.42 = 356,539.25 : x
  2. Step 2: Convert to fraction form
    761,472.38/1,141,959.42 = 356,539.25/x
  3. Step 3: Cross multiply
    761,472.38x = 1,141,959.42 × 356,539.25
  4. Step 4: Simplify right side
    761,472.38x = 407,153,349,427.44
  5. Step 5: Solve for x
    x = 407,153,349,427.44/761,472.38
  6. Step 6: Final answer
    x = 534,692.21

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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.