Home / 440,688.32-607,926.02-287,815.98

Finding the Fourth Proportional to 440,688.32, 607,926.02 and 287,815.98

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Solution

The fourth proportional to 440,688.32, 607,926.02 and 287,815.98 is: 397,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,688.32 : 607,926.02 = 287,815.98 : x
  2. Step 2: Convert to fraction form
    440,688.32/607,926.02 = 287,815.98/x
  3. Step 3: Cross multiply
    440,688.32x = 607,926.02 × 287,815.98
  4. Step 4: Simplify right side
    440,688.32x = 174,970,823,213.80
  5. Step 5: Solve for x
    x = 174,970,823,213.80/440,688.32
  6. Step 6: Final answer
    x = 397,039.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.