Home / 868,590.60-1,303,060.04-299,992.55

Finding the Fourth Proportional to 868,590.60, 1,303,060.04 and 299,992.55

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Solution

The fourth proportional to 868,590.60, 1,303,060.04 and 299,992.55 is: 450,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,590.60 : 1,303,060.04 = 299,992.55 : x
  2. Step 2: Convert to fraction form
    868,590.60/1,303,060.04 = 299,992.55/x
  3. Step 3: Cross multiply
    868,590.60x = 1,303,060.04 × 299,992.55
  4. Step 4: Simplify right side
    868,590.60x = 390,908,304,202.70
  5. Step 5: Solve for x
    x = 390,908,304,202.70/868,590.60
  6. Step 6: Final answer
    x = 450,048.97

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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.