Home / 824,459.78-1,236,490.74-344,428.26

Finding the Fourth Proportional to 824,459.78, 1,236,490.74 and 344,428.26

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Solution

The fourth proportional to 824,459.78, 1,236,490.74 and 344,428.26 is: 516,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,459.78 : 1,236,490.74 = 344,428.26 : x
  2. Step 2: Convert to fraction form
    824,459.78/1,236,490.74 = 344,428.26/x
  3. Step 3: Cross multiply
    824,459.78x = 1,236,490.74 × 344,428.26
  4. Step 4: Simplify right side
    824,459.78x = 425,882,354,084.31
  5. Step 5: Solve for x
    x = 425,882,354,084.31/824,459.78
  6. Step 6: Final answer
    x = 516,559.29

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1.5x scale

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.