Home / 914,389.98-1,371,650.58-315,342.33

Finding the Fourth Proportional to 914,389.98, 1,371,650.58 and 315,342.33

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Solution

The fourth proportional to 914,389.98, 1,371,650.58 and 315,342.33 is: 473,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,389.98 : 1,371,650.58 = 315,342.33 : x
  2. Step 2: Convert to fraction form
    914,389.98/1,371,650.58 = 315,342.33/x
  3. Step 3: Cross multiply
    914,389.98x = 1,371,650.58 × 315,342.33
  4. Step 4: Simplify right side
    914,389.98x = 432,539,489,843.05
  5. Step 5: Solve for x
    x = 432,539,489,843.05/914,389.98
  6. Step 6: Final answer
    x = 473,036.12

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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.