Home / 923,907.90-1,385,993.07-284,264.61

Finding the Fourth Proportional to 923,907.90, 1,385,993.07 and 284,264.61

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Solution

The fourth proportional to 923,907.90, 1,385,993.07 and 284,264.61 is: 426,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,907.90 : 1,385,993.07 = 284,264.61 : x
  2. Step 2: Convert to fraction form
    923,907.90/1,385,993.07 = 284,264.61/x
  3. Step 3: Cross multiply
    923,907.90x = 1,385,993.07 × 284,264.61
  4. Step 4: Simplify right side
    923,907.90x = 393,988,779,506.25
  5. Step 5: Solve for x
    x = 393,988,779,506.25/923,907.90
  6. Step 6: Final answer
    x = 426,437.29

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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.