Home / 680,686.40-1,021,029.60-237,454.40

Finding the Fourth Proportional to 680,686.40, 1,021,029.60 and 237,454.40

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Solution

The fourth proportional to 680,686.40, 1,021,029.60 and 237,454.40 is: 356,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,686.40 : 1,021,029.60 = 237,454.40 : x
  2. Step 2: Convert to fraction form
    680,686.40/1,021,029.60 = 237,454.40/x
  3. Step 3: Cross multiply
    680,686.40x = 1,021,029.60 × 237,454.40
  4. Step 4: Simplify right side
    680,686.40x = 242,447,971,050.24
  5. Step 5: Solve for x
    x = 242,447,971,050.24/680,686.40
  6. Step 6: Final answer
    x = 356,181.60

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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.