Home / 802,779.48-1,107,835.13-440,209.51

Finding the Fourth Proportional to 802,779.48, 1,107,835.13 and 440,209.51

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Solution

The fourth proportional to 802,779.48, 1,107,835.13 and 440,209.51 is: 607,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,779.48 : 1,107,835.13 = 440,209.51 : x
  2. Step 2: Convert to fraction form
    802,779.48/1,107,835.13 = 440,209.51/x
  3. Step 3: Cross multiply
    802,779.48x = 1,107,835.13 × 440,209.51
  4. Step 4: Simplify right side
    802,779.48x = 487,679,557,537.04
  5. Step 5: Solve for x
    x = 487,679,557,537.04/802,779.48
  6. Step 6: Final answer
    x = 607,488.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.