Home / 745,973.90-1,118,959.86-346,396.22

Finding the Fourth Proportional to 745,973.90, 1,118,959.86 and 346,396.22

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Solution

The fourth proportional to 745,973.90, 1,118,959.86 and 346,396.22 is: 519,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,973.90 : 1,118,959.86 = 346,396.22 : x
  2. Step 2: Convert to fraction form
    745,973.90/1,118,959.86 = 346,396.22/x
  3. Step 3: Cross multiply
    745,973.90x = 1,118,959.86 × 346,396.22
  4. Step 4: Simplify right side
    745,973.90x = 387,603,465,835.73
  5. Step 5: Solve for x
    x = 387,603,465,835.73/745,973.90
  6. Step 6: Final answer
    x = 519,593.87

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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.