Home / 787,774.40-1,182,244.80-521,446.40

Finding the Fourth Proportional to 787,774.40, 1,182,244.80 and 521,446.40

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Solution

The fourth proportional to 787,774.40, 1,182,244.80 and 521,446.40 is: 782,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,774.40 : 1,182,244.80 = 521,446.40 : x
  2. Step 2: Convert to fraction form
    787,774.40/1,182,244.80 = 521,446.40/x
  3. Step 3: Cross multiply
    787,774.40x = 1,182,244.80 × 521,446.40
  4. Step 4: Simplify right side
    787,774.40x = 616,477,294,878.72
  5. Step 5: Solve for x
    x = 616,477,294,878.72/787,774.40
  6. Step 6: Final answer
    x = 782,555.63

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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.