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Finding the Fourth Proportional to 895,134.80, 1,344,257.40 and 475,230.80

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Solution

The fourth proportional to 895,134.80, 1,344,257.40 and 475,230.80 is: 713,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,134.80 : 1,344,257.40 = 475,230.80 : x
  2. Step 2: Convert to fraction form
    895,134.80/1,344,257.40 = 475,230.80/x
  3. Step 3: Cross multiply
    895,134.80x = 1,344,257.40 × 475,230.80
  4. Step 4: Simplify right side
    895,134.80x = 638,832,519,607.92
  5. Step 5: Solve for x
    x = 638,832,519,607.92/895,134.80
  6. Step 6: Final answer
    x = 713,671.86

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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.