Home / 642,444.04-965,056.38-417,688.84

Finding the Fourth Proportional to 642,444.04, 965,056.38 and 417,688.84

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Solution

The fourth proportional to 642,444.04, 965,056.38 and 417,688.84 is: 627,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,444.04 : 965,056.38 = 417,688.84 : x
  2. Step 2: Convert to fraction form
    642,444.04/965,056.38 = 417,688.84/x
  3. Step 3: Cross multiply
    642,444.04x = 965,056.38 × 417,688.84
  4. Step 4: Simplify right side
    642,444.04x = 403,093,279,896.80
  5. Step 5: Solve for x
    x = 403,093,279,896.80/642,444.04
  6. Step 6: Final answer
    x = 627,437.18

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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.