Home / 873,314.40-1,310,032.08-340,658.40

Finding the Fourth Proportional to 873,314.40, 1,310,032.08 and 340,658.40

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Solution

The fourth proportional to 873,314.40, 1,310,032.08 and 340,658.40 is: 511,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,314.40 : 1,310,032.08 = 340,658.40 : x
  2. Step 2: Convert to fraction form
    873,314.40/1,310,032.08 = 340,658.40/x
  3. Step 3: Cross multiply
    873,314.40x = 1,310,032.08 × 340,658.40
  4. Step 4: Simplify right side
    873,314.40x = 446,273,432,321.47
  5. Step 5: Solve for x
    x = 446,273,432,321.47/873,314.40
  6. Step 6: Final answer
    x = 511,011.19

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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.