Home / 705,967.08-974,242.10-383,677.20

Finding the Fourth Proportional to 705,967.08, 974,242.10 and 383,677.20

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Solution

The fourth proportional to 705,967.08, 974,242.10 and 383,677.20 is: 529,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,967.08 : 974,242.10 = 383,677.20 : x
  2. Step 2: Convert to fraction form
    705,967.08/974,242.10 = 383,677.20/x
  3. Step 3: Cross multiply
    705,967.08x = 974,242.10 × 383,677.20
  4. Step 4: Simplify right side
    705,967.08x = 373,794,481,050.12
  5. Step 5: Solve for x
    x = 373,794,481,050.12/705,967.08
  6. Step 6: Final answer
    x = 529,478.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.