Home / 785,827.36-1,178,732.40-470,372.32

Finding the Fourth Proportional to 785,827.36, 1,178,732.40 and 470,372.32

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Solution

The fourth proportional to 785,827.36, 1,178,732.40 and 470,372.32 is: 705,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,827.36 : 1,178,732.40 = 470,372.32 : x
  2. Step 2: Convert to fraction form
    785,827.36/1,178,732.40 = 470,372.32/x
  3. Step 3: Cross multiply
    785,827.36x = 1,178,732.40 × 470,372.32
  4. Step 4: Simplify right side
    785,827.36x = 554,443,093,647.17
  5. Step 5: Solve for x
    x = 554,443,093,647.17/785,827.36
  6. Step 6: Final answer
    x = 705,553.31

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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.