Home / 765,065.04-1,056,012.09-510,415.62

Finding the Fourth Proportional to 765,065.04, 1,056,012.09 and 510,415.62

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Solution

The fourth proportional to 765,065.04, 1,056,012.09 and 510,415.62 is: 704,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,065.04 : 1,056,012.09 = 510,415.62 : x
  2. Step 2: Convert to fraction form
    765,065.04/1,056,012.09 = 510,415.62/x
  3. Step 3: Cross multiply
    765,065.04x = 1,056,012.09 × 510,415.62
  4. Step 4: Simplify right side
    765,065.04x = 539,005,065,644.85
  5. Step 5: Solve for x
    x = 539,005,065,644.85/765,065.04
  6. Step 6: Final answer
    x = 704,521.89

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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.