Home / 426,011.22-635,528.08-414,428.31

Finding the Fourth Proportional to 426,011.22, 635,528.08 and 414,428.31

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Solution

The fourth proportional to 426,011.22, 635,528.08 and 414,428.31 is: 618,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,011.22 : 635,528.08 = 414,428.31 : x
  2. Step 2: Convert to fraction form
    426,011.22/635,528.08 = 414,428.31/x
  3. Step 3: Cross multiply
    426,011.22x = 635,528.08 × 414,428.31
  4. Step 4: Simplify right side
    426,011.22x = 263,380,827,115.87
  5. Step 5: Solve for x
    x = 263,380,827,115.87/426,011.22
  6. Step 6: Final answer
    x = 618,248.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.