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Finding the Fourth Proportional to 546,418.40, 818,752.80 and 346,380.80

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Solution

The fourth proportional to 546,418.40, 818,752.80 and 346,380.80 is: 519,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,418.40 : 818,752.80 = 346,380.80 : x
  2. Step 2: Convert to fraction form
    546,418.40/818,752.80 = 346,380.80/x
  3. Step 3: Cross multiply
    546,418.40x = 818,752.80 × 346,380.80
  4. Step 4: Simplify right side
    546,418.40x = 283,600,249,866.24
  5. Step 5: Solve for x
    x = 283,600,249,866.24/546,418.40
  6. Step 6: Final answer
    x = 519,016.65

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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.