Home / 1,038,980.80-1,558,519.80-329,064.40

Finding the Fourth Proportional to 1,038,980.80, 1,558,519.80 and 329,064.40

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Solution

The fourth proportional to 1,038,980.80, 1,558,519.80 and 329,064.40 is: 493,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,980.80 : 1,558,519.80 = 329,064.40 : x
  2. Step 2: Convert to fraction form
    1,038,980.80/1,558,519.80 = 329,064.40/x
  3. Step 3: Cross multiply
    1,038,980.80x = 1,558,519.80 × 329,064.40
  4. Step 4: Simplify right side
    1,038,980.80x = 512,853,382,875.12
  5. Step 5: Solve for x
    x = 512,853,382,875.12/1,038,980.80
  6. Step 6: Final answer
    x = 493,611.99

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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.