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Finding the Fourth Proportional to 750,358.55, 1,124,907.03 and 607,850.43

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Solution

The fourth proportional to 750,358.55, 1,124,907.03 and 607,850.43 is: 911,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,358.55 : 1,124,907.03 = 607,850.43 : x
  2. Step 2: Convert to fraction form
    750,358.55/1,124,907.03 = 607,850.43/x
  3. Step 3: Cross multiply
    750,358.55x = 1,124,907.03 × 607,850.43
  4. Step 4: Simplify right side
    750,358.55x = 683,775,221,895.52
  5. Step 5: Solve for x
    x = 683,775,221,895.52/750,358.55
  6. Step 6: Final answer
    x = 911,264.66

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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.