Home / 709,471.75-1,063,283.50-288,255.19

Finding the Fourth Proportional to 709,471.75, 1,063,283.50 and 288,255.19

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Solution

The fourth proportional to 709,471.75, 1,063,283.50 and 288,255.19 is: 432,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,471.75 : 1,063,283.50 = 288,255.19 : x
  2. Step 2: Convert to fraction form
    709,471.75/1,063,283.50 = 288,255.19/x
  3. Step 3: Cross multiply
    709,471.75x = 1,063,283.50 × 288,255.19
  4. Step 4: Simplify right side
    709,471.75x = 306,496,987,316.37
  5. Step 5: Solve for x
    x = 306,496,987,316.37/709,471.75
  6. Step 6: Final answer
    x = 432,007.32

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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.