Home / 834,389.10-1,251,036.90-328,645.35

Finding the Fourth Proportional to 834,389.10, 1,251,036.90 and 328,645.35

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Solution

The fourth proportional to 834,389.10, 1,251,036.90 and 328,645.35 is: 492,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,389.10 : 1,251,036.90 = 328,645.35 : x
  2. Step 2: Convert to fraction form
    834,389.10/1,251,036.90 = 328,645.35/x
  3. Step 3: Cross multiply
    834,389.10x = 1,251,036.90 × 328,645.35
  4. Step 4: Simplify right side
    834,389.10x = 411,147,459,863.42
  5. Step 5: Solve for x
    x = 411,147,459,863.42/834,389.10
  6. Step 6: Final answer
    x = 492,752.67

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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.