Home / 711,970.20-1,068,130.08-327,539.16

Finding the Fourth Proportional to 711,970.20, 1,068,130.08 and 327,539.16

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Solution

The fourth proportional to 711,970.20, 1,068,130.08 and 327,539.16 is: 491,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,970.20 : 1,068,130.08 = 327,539.16 : x
  2. Step 2: Convert to fraction form
    711,970.20/1,068,130.08 = 327,539.16/x
  3. Step 3: Cross multiply
    711,970.20x = 1,068,130.08 × 327,539.16
  4. Step 4: Simplify right side
    711,970.20x = 349,854,429,173.93
  5. Step 5: Solve for x
    x = 349,854,429,173.93/711,970.20
  6. Step 6: Final answer
    x = 491,389.15

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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.