Home / 897,869.80-1,348,359.90-477,965.80

Finding the Fourth Proportional to 897,869.80, 1,348,359.90 and 477,965.80

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Solution

The fourth proportional to 897,869.80, 1,348,359.90 and 477,965.80 is: 717,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,869.80 : 1,348,359.90 = 477,965.80 : x
  2. Step 2: Convert to fraction form
    897,869.80/1,348,359.90 = 477,965.80/x
  3. Step 3: Cross multiply
    897,869.80x = 1,348,359.90 × 477,965.80
  4. Step 4: Simplify right side
    897,869.80x = 644,469,918,291.42
  5. Step 5: Solve for x
    x = 644,469,918,291.42/897,869.80
  6. Step 6: Final answer
    x = 717,776.58

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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.