Home / 749,724.40-1,034,637.96-427,465

Finding the Fourth Proportional to 749,724.40, 1,034,637.96 and 427,465

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Solution

The fourth proportional to 749,724.40, 1,034,637.96 and 427,465 is: 589,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,724.40 : 1,034,637.96 = 427,465 : x
  2. Step 2: Convert to fraction form
    749,724.40/1,034,637.96 = 427,465/x
  3. Step 3: Cross multiply
    749,724.40x = 1,034,637.96 × 427,465
  4. Step 4: Simplify right side
    749,724.40x = 442,271,515,571.40
  5. Step 5: Solve for x
    x = 442,271,515,571.40/749,724.40
  6. Step 6: Final answer
    x = 589,912.13

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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.