Home / 761,311.68-1,142,434.08-604,080.96

Finding the Fourth Proportional to 761,311.68, 1,142,434.08 and 604,080.96

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Solution

The fourth proportional to 761,311.68, 1,142,434.08 and 604,080.96 is: 906,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,311.68 : 1,142,434.08 = 604,080.96 : x
  2. Step 2: Convert to fraction form
    761,311.68/1,142,434.08 = 604,080.96/x
  3. Step 3: Cross multiply
    761,311.68x = 1,142,434.08 × 604,080.96
  4. Step 4: Simplify right side
    761,311.68x = 690,122,675,783.12
  5. Step 5: Solve for x
    x = 690,122,675,783.12/761,311.68
  6. Step 6: Final answer
    x = 906,491.64

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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.