Home / 546,623.20-819,934.80-472,895.20

Finding the Fourth Proportional to 546,623.20, 819,934.80 and 472,895.20

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Solution

The fourth proportional to 546,623.20, 819,934.80 and 472,895.20 is: 709,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,623.20 : 819,934.80 = 472,895.20 : x
  2. Step 2: Convert to fraction form
    546,623.20/819,934.80 = 472,895.20/x
  3. Step 3: Cross multiply
    546,623.20x = 819,934.80 × 472,895.20
  4. Step 4: Simplify right side
    546,623.20x = 387,743,231,232.96
  5. Step 5: Solve for x
    x = 387,743,231,232.96/546,623.20
  6. Step 6: Final answer
    x = 709,342.80

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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.