Home / 1,038,668.80-1,557,711.60-328,914.40

Finding the Fourth Proportional to 1,038,668.80, 1,557,711.60 and 328,914.40

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Solution

The fourth proportional to 1,038,668.80, 1,557,711.60 and 328,914.40 is: 493,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,668.80 : 1,557,711.60 = 328,914.40 : x
  2. Step 2: Convert to fraction form
    1,038,668.80/1,557,711.60 = 328,914.40/x
  3. Step 3: Cross multiply
    1,038,668.80x = 1,557,711.60 × 328,914.40
  4. Step 4: Simplify right side
    1,038,668.80x = 512,353,776,287.04
  5. Step 5: Solve for x
    x = 512,353,776,287.04/1,038,668.80
  6. Step 6: Final answer
    x = 493,279.26

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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.