Home / 1,039,780.10-1,559,657.75-329,814.30

Finding the Fourth Proportional to 1,039,780.10, 1,559,657.75 and 329,814.30

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Solution

The fourth proportional to 1,039,780.10, 1,559,657.75 and 329,814.30 is: 494,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,780.10 : 1,559,657.75 = 329,814.30 : x
  2. Step 2: Convert to fraction form
    1,039,780.10/1,559,657.75 = 329,814.30/x
  3. Step 3: Cross multiply
    1,039,780.10x = 1,559,657.75 × 329,814.30
  4. Step 4: Simplify right side
    1,039,780.10x = 514,397,429,055.83
  5. Step 5: Solve for x
    x = 514,397,429,055.83/1,039,780.10
  6. Step 6: Final answer
    x = 494,717.52

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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.