Home / 869,870.30-1,304,492.40-301,096.86

Finding the Fourth Proportional to 869,870.30, 1,304,492.40 and 301,096.86

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Solution

The fourth proportional to 869,870.30, 1,304,492.40 and 301,096.86 is: 451,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,870.30 : 1,304,492.40 = 301,096.86 : x
  2. Step 2: Convert to fraction form
    869,870.30/1,304,492.40 = 301,096.86/x
  3. Step 3: Cross multiply
    869,870.30x = 1,304,492.40 × 301,096.86
  4. Step 4: Simplify right side
    869,870.30x = 392,778,565,533.86
  5. Step 5: Solve for x
    x = 392,778,565,533.86/869,870.30
  6. Step 6: Final answer
    x = 451,536.93

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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.