Home / 753,340.64-1,039,356.64-426,608.96

Finding the Fourth Proportional to 753,340.64, 1,039,356.64 and 426,608.96

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Solution

The fourth proportional to 753,340.64, 1,039,356.64 and 426,608.96 is: 588,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,340.64 : 1,039,356.64 = 426,608.96 : x
  2. Step 2: Convert to fraction form
    753,340.64/1,039,356.64 = 426,608.96/x
  3. Step 3: Cross multiply
    753,340.64x = 1,039,356.64 × 426,608.96
  4. Step 4: Simplify right side
    753,340.64x = 443,398,855,259.49
  5. Step 5: Solve for x
    x = 443,398,855,259.49/753,340.64
  6. Step 6: Final answer
    x = 588,576.84

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1.5x scale

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.