Home / 777,307.08-1,163,327.10-477,977.25

Finding the Fourth Proportional to 777,307.08, 1,163,327.10 and 477,977.25

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Solution

The fourth proportional to 777,307.08, 1,163,327.10 and 477,977.25 is: 715,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,307.08 : 1,163,327.10 = 477,977.25 : x
  2. Step 2: Convert to fraction form
    777,307.08/1,163,327.10 = 477,977.25/x
  3. Step 3: Cross multiply
    777,307.08x = 1,163,327.10 × 477,977.25
  4. Step 4: Simplify right side
    777,307.08x = 556,043,888,108.48
  5. Step 5: Solve for x
    x = 556,043,888,108.48/777,307.08
  6. Step 6: Final answer
    x = 715,346.49

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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.