Home / 1,038,985.80-1,558,527.30-329,069.40

Finding the Fourth Proportional to 1,038,985.80, 1,558,527.30 and 329,069.40

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Solution

The fourth proportional to 1,038,985.80, 1,558,527.30 and 329,069.40 is: 493,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,985.80 : 1,558,527.30 = 329,069.40 : x
  2. Step 2: Convert to fraction form
    1,038,985.80/1,558,527.30 = 329,069.40/x
  3. Step 3: Cross multiply
    1,038,985.80x = 1,558,527.30 × 329,069.40
  4. Step 4: Simplify right side
    1,038,985.80x = 512,863,643,494.62
  5. Step 5: Solve for x
    x = 512,863,643,494.62/1,038,985.80
  6. Step 6: Final answer
    x = 493,619.49

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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.