Home / 745,974.90-1,118,961.36-346,397.22

Finding the Fourth Proportional to 745,974.90, 1,118,961.36 and 346,397.22

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Solution

The fourth proportional to 745,974.90, 1,118,961.36 and 346,397.22 is: 519,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,974.90 : 1,118,961.36 = 346,397.22 : x
  2. Step 2: Convert to fraction form
    745,974.90/1,118,961.36 = 346,397.22/x
  3. Step 3: Cross multiply
    745,974.90x = 1,118,961.36 × 346,397.22
  4. Step 4: Simplify right side
    745,974.90x = 387,605,104,391.42
  5. Step 5: Solve for x
    x = 387,605,104,391.42/745,974.90
  6. Step 6: Final answer
    x = 519,595.37

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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.