Home / 718,748.20-1,077,603.90-469,570.60

Finding the Fourth Proportional to 718,748.20, 1,077,603.90 and 469,570.60

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Solution

The fourth proportional to 718,748.20, 1,077,603.90 and 469,570.60 is: 704,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,748.20 : 1,077,603.90 = 469,570.60 : x
  2. Step 2: Convert to fraction form
    718,748.20/1,077,603.90 = 469,570.60/x
  3. Step 3: Cross multiply
    718,748.20x = 1,077,603.90 × 469,570.60
  4. Step 4: Simplify right side
    718,748.20x = 506,011,109,885.34
  5. Step 5: Solve for x
    x = 506,011,109,885.34/718,748.20
  6. Step 6: Final answer
    x = 704,017.22

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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.